A204991 - cp's OEIS frontend

A204991 2^k-2^j, where (2^k,2^j) is the least pair of distinct positive powers of 2 for which n divides 2^k-2^j.

n	a(n)
1	2
2	2
3	6
4	4
5	30
6	6
7	14
8	8
9	126
10	30
11	2046
12	12
13	8190
14	14
15	30
16	16
17	510
18	126
19	524286
20	60
21	126
22	2046
23	4094
24	24
25	2097150
26	8190
27	524286
28	28
29	536870910
30	30
31	62
32	32
33	2046
34	510
35	8190
36	252
37	137438953470
38	524286
39	8190
40	120
41	2097150
42	126
43	32766
44	4092
45	8190

[2, 2, 6, 4, 30, 6, 14, 8, 126, 30, 2046, 12, 8190, 14, 30, 16, 510, 126, 524286, 60, 126, 2046, 4094, 24, 2097150, 8190, 524286, 28, 536870910, 30, 62, 32, 2046, 510, 8190, 252, 137438953470, 524286, 8190, 120, 2097150, 126, 32766, 4092, 8190]

cp's OEIS Frontend

A204991 2^k-2^j, where (2^k,2^j) is the least pair of distinct positive powers of 2 for which n divides 2^k-2^j.

Table of values

List of values