A337830 - cp's OEIS frontend

A337830 Odd integers k such that 6^((k-1)/2) + 1 == 0 (mod k*(k-1)/2).

n	a(n)
1	2843
2	2390123
3	9893003
4	16236347
5	46353707
6	334358459
7	564092747
8	584214107
9	1640200619
10	2010092603
11	14044030043
12	22315857803
13	23753097803
14	92758244699
15	136542051227
16	281195463179
17	332945964107
18	545960571227

[2843, 2390123, 9893003, 16236347, 46353707, 334358459, 564092747, 584214107, 1640200619, 2010092603, 14044030043, 22315857803, 23753097803, 92758244699, 136542051227, 281195463179, 332945964107, 545960571227]

cp's OEIS Frontend

A337830 Odd integers k such that 6^((k-1)/2) + 1 == 0 (mod k*(k-1)/2).

Table of values

List of values