A323251 - cp's OEIS frontend

A323251 Sequence lists numbers k > 1 such that k^4 == d(k) (mod sigma(k)), where d = A000005 and sigma = A000203.

n	a(n)
1	22
2	80
3	625
4	1664
5	2392
6	4030
7	5434
8	5830
9	6118
10	6536
11	9614
12	11438
13	12958
14	13184
15	15064
16	15314
17	17528
18	18632
19	18970
20	22570
21	23254
22	25234
23	29810
24	32128
25	33784
26	34846
27	36938
28	37910
29	40610
30	43054
31	46664
32	52936
33	53354
34	58102
35	58646
36	60298
37	79378
38	79864
39	83266
40	92302
41	93056

[22, 80, 625, 1664, 2392, 4030, 5434, 5830, 6118, 6536, 9614, 11438, 12958, 13184, 15064, 15314, 17528, 18632, 18970, 22570, 23254, 25234, 29810, 32128, 33784, 34846, 36938, 37910, 40610, 43054, 46664, 52936, 53354, 58102, 58646, 60298, 79378, 79864, 83266, 92302, 93056]

cp's OEIS Frontend

A323251 Sequence lists numbers k > 1 such that k^4 == d(k) (mod sigma(k)), where d = A000005 and sigma = A000203.

Table of values

List of values