A351538 - cp's OEIS frontend

A351538 Numbers k such that both k and sigma(k) are congruent to 2 modulo 4 and the 3-adic valuation of sigma(k) is exactly 1.

n	a(n)
1	26
2	74
3	122
4	146
5	194
6	218
7	234
8	314
9	362
10	386
11	458
12	482
13	554
14	626
15	650
16	666
17	674
18	698
19	746
20	794
21	818
22	842
23	866
24	914
25	1082
26	1098
27	1154
28	1202
29	1226
30	1314
31	1322
32	1346
33	1418
34	1466
35	1514
36	1538
37	1658
38	1706
39	1746
40	1754
41	1850
42	1874
43	1962
44	1994
45	2018
46	2042
47	2066
48	2106
49	2138
50	2186
51	2234
52	2258
53	2306
54	2402
55	2426
56	2474
57	2498

[26, 74, 122, 146, 194, 218, 234, 314, 362, 386, 458, 482, 554, 626, 650, 666, 674, 698, 746, 794, 818, 842, 866, 914, 1082, 1098, 1154, 1202, 1226, 1314, 1322, 1346, 1418, 1466, 1514, 1538, 1658, 1706, 1746, 1754, 1850, 1874, 1962, 1994, 2018, 2042, 2066, 2106, 2138, 2186, 2234, 2258, 2306, 2402, 2426, 2474, 2498]

cp's OEIS Frontend

A351538 Numbers k such that both k and sigma(k) are congruent to 2 modulo 4 and the 3-adic valuation of sigma(k) is exactly 1.

Table of values

List of values