Generalized Cullen primes n bn + 1

b   Values of n
3   2, 8, 32, 54, 114, 414, 1400, 1850, 2848, 4874, 7268, 19290  [138473]
4   1, 3, 7, 33, 67, 223, 663, 912, 1383, 3777, 3972, 10669, 48375  [83525]
5   1242, 18390  [105323]
6   1, 2, 91, 185, 387, 488, 747, 800, 9901, 10115, 12043, 13118, 30981, 51496  [91362]
7   34, 1980, 9898  [130755]
8   5, 17, 23, 1911, 20855, 35945, 42816  [70036]
9   2, 12382, 27608, 31330  [98989]
10   1, 3, 9, 21, 363, 2161, 4839, 49521, 105994  [109077]
11   10  [76137]
12   1, 8, 247, 3610, 4775  [72520]
13   None  [76413]
14   3, 5, 6, 9, 33, 45, 243, 252, 1798, 2429, 5686, 12509, 42545  [44385]
15   8, 14, 44, 154, 274, 694, 17426  [39705]
16   1, 3, 55, 81, 223, 1227, 3012, 3301  [41172]
17   19650  [64197]
18   1, 3, 21, 23, 842, 1683, 3401, 16839, 49963  [51548]
19   6460  [66441]
20   3, 6207, 8076, 22356  [37000]
21   2, 8, 26  [35431]
22   1, 15, 189, 814, 19909  [37079]
23   4330  [64259]
24   2, 8, 368  [29736]
25   None  [55505]
26   117, 3143, 3886, 7763  [25400]
27   2, 56, 23454  [46853]
28   1, 48, 468, 2655, 3741  [31535]
29   None  [65135]
30   1, 2, 3, 7, 14, 17, 39, 79, 87, 99, 128, 169, 221, 252, 307, 3646, 6115, 19617  [24317]
31   None  [62171]
32   5  [29768]
33   2, 632, 1840  [26867]
34   25, 33, 103, 195, 303, 415  [22682]
35   304, 19116  [37757]
36   1, 2, 3, 8, 191, 1256, 6788  [17436]
37   36  [52947]
38   3, 1209  [19600]
39   368, 402  [18495]
40   1, 202  [17552]
41   None  [54705]
42   1, 2, 11, 20, 8301, 14421  [17574]
43   390  [54527]
44   53  [20872]
45   2, 8, 84  [21055]
46   1, 813, 1576  [23702]
47   None  [52493]
48   3, 9, 14, 79, 114, 182, 9328, 13569  [14879]
49   None  [35235]
50   9665, 11844  [18706]
51   62, 1376  [10061]
52   1, 168  [10508]
53   None  [48719]
54   3, 8, 29, 11270  [11512]
55   None  [40455]
56   1072  [12814]
57   234, 470, 1670, 1898  [11267]
58   1, 3, 34, 181, 252, 1135, 2139, 4510  [11817]
59   220  [51627]
60   1, 9, 13, 113, 167, 202, 445, 518, 3522, 7423  [19158]
61   142  [50135]
62   1295, 7107  [13937]
63   8, 50  [12133]
64   3, 399, 7813  [10739]
65   16990  [35555]
66   1, 2, 158, 257, 1016, 2543, 3396, 3801  [10770]
67   474  [44439]
68   None  [32242]
69   None  [37419]
70   1, 3, 13, 5928, 10585  [12300]
71   13948  [44579]
72   1, 2, 35, 119, 274, 607, 3185  [12901]
73   None  [45881]
74   3, 15  [13304]
75   2  [10755]
76   1161, 5401  [12036]
77   12198  [38087]
78   1, 25, 105, 254, 10671  [11377]
79   None  [46905]
80   5, 273, 3273  [11092]
81   350  [13657]
82   1, 1407  [11898]
83   1242  [43037]
84   26  [11671]
85   186, 1134  [14307]
86   3, 17, 45, 267  [12400]
87   2, 118  [13555]
88   1, 411, 1191  [14000]
89   298  [43365]
90   14, 514, 587  [13898]
91   None  [51267]
92   9, 252, 3900, 9215  [12104]
93   2, 3332, 5642  [16035]
94   775, 1207, 3277, 11169  [11862]
95   202, 370  [14211]
96   1, 2, 3, 8  [10064]
97   1374  [41681]
98   63, 622, 1125, 4517  [12167]
99   2, 332  [13259]
100   1, 427, 2475  [15800]

Last modified December 29, 2000.