A317670 - cp's OEIS frontend

A317670 Numbers k such that sigma_0(k-1) + sigma_0(k) + sigma_0(k+1) = 10, where sigma_0(k) = A000005(k).

n	a(n)
1	7
2	12
3	14
4	18
5	22
6	38
7	58
8	158
9	178
10	382
11	502
12	542
13	718
14	878
15	1202
16	1318
17	1382
18	1438
19	1622
20	1822
21	2018
22	2558
23	2578
24	2858
25	2902
26	3062
27	3118
28	3778
29	4282
30	4358
31	4442
32	4678
33	4702
34	5078
35	5098
36	5582
37	5638
38	5702
39	5938
40	6338
41	6638
42	6662
43	6718
44	6998
45	7418
46	8222
47	8782
48	8818
49	9182
50	9662
51	9902

[7, 12, 14, 18, 22, 38, 58, 158, 178, 382, 502, 542, 718, 878, 1202, 1318, 1382, 1438, 1622, 1822, 2018, 2558, 2578, 2858, 2902, 3062, 3118, 3778, 4282, 4358, 4442, 4678, 4702, 5078, 5098, 5582, 5638, 5702, 5938, 6338, 6638, 6662, 6718, 6998, 7418, 8222, 8782, 8818, 9182, 9662, 9902]

cp's OEIS Frontend

A317670 Numbers k such that sigma_0(k-1) + sigma_0(k) + sigma_0(k+1) = 10, where sigma_0(k) = A000005(k).

Table of values

List of values