A246719 - cp's OEIS frontend

A246719 Smallest natural number m for which there are exactly n distinct values k such that 0 < k < m^2 and 2^k - 1 is divisible by m^2.

n	a(n)
0	1
1	3
2	7
3	15
4	113
5	65
6	31
7	91
8	73
9	39
10	21
11	331
12	267
13	55
14	217
15	435
16	203
17	697
18	127
19	703
20	565
21	429
22	451
23	231
24	595
25	253
26	105
27	327
28	171
29	1045
30	1335
31	255
32	385
33	497
34	341
35	1295
36	219
37	455
38	155
39	1417
40	969
41	165
42	2143
43	861
44	357
45	453
46	555
47	2821
48	195
49	1477
50	301
51	205
52	2091

[1, 3, 7, 15, 113, 65, 31, 91, 73, 39, 21, 331, 267, 55, 217, 435, 203, 697, 127, 703, 565, 429, 451, 231, 595, 253, 105, 327, 171, 1045, 1335, 255, 385, 497, 341, 1295, 219, 455, 155, 1417, 969, 165, 2143, 861, 357, 453, 555, 2821, 195, 1477, 301, 205, 2091]

cp's OEIS Frontend

A246719 Smallest natural number m for which there are exactly n distinct values k such that 0 < k < m^2 and 2^k - 1 is divisible by m^2.

Table of values

List of values