A337848 - cp's OEIS frontend

A337848 Odd integers k>=5 such that 2^((k-1)/2)-1 == 0 (mod k*(k-3)/2).

n	a(n)
1	73
2	241
3	2593
4	5113
5	8713
6	18433
7	53593
8	55681
9	86113
10	102241
11	126337
12	127873
13	158113
14	181721
15	184369
16	186049
17	208393
18	219313
19	221537
20	241921
21	262657
22	267913
23	282313
24	314161
25	314401
26	341641
27	362521
28	398441
29	415873
30	450913
31	534241
32	619921
33	651169
34	731881
35	953473
36	1045801
37	1153441
38	1294177
39	1554281
40	2023921
41	2162401
42	2345401
43	2533681

[73, 241, 2593, 5113, 8713, 18433, 53593, 55681, 86113, 102241, 126337, 127873, 158113, 181721, 184369, 186049, 208393, 219313, 221537, 241921, 262657, 267913, 282313, 314161, 314401, 341641, 362521, 398441, 415873, 450913, 534241, 619921, 651169, 731881, 953473, 1045801, 1153441, 1294177, 1554281, 2023921, 2162401, 2345401, 2533681]

cp's OEIS Frontend

A337848 Odd integers k>=5 such that 2^((k-1)/2)-1 == 0 (mod k*(k-3)/2).

Table of values

List of values