A335210 - cp's OEIS frontend

A335210 Numbers L such that there is a prime p <= L for which v_p(H'(L) - 1) > 0, where v_p(x) is the p-adic valuation of x and H'(L) is the L-th alternating harmonic number.

n	a(n)
1	16
2	19
3	81
4	211
5	231
6	232
7	242
8	243
9	267
10	274
11	340
12	357
13	559
14	637
15	644
16	898
17	1121
18	1391
19	1399
20	1412
21	1433
22	1436
23	1439
24	1470
25	1474
26	1501
27	1892
28	2304
29	2336
30	2477
31	2496
32	2520
33	2768
34	2948
35	2992
36	3351
37	3367
38	3563
39	3953
40	3966
41	4431
42	4505
43	4587
44	4596
45	4626
46	5061
47	6058
48	6781
49	6847
50	6861

[16, 19, 81, 211, 231, 232, 242, 243, 267, 274, 340, 357, 559, 637, 644, 898, 1121, 1391, 1399, 1412, 1433, 1436, 1439, 1470, 1474, 1501, 1892, 2304, 2336, 2477, 2496, 2520, 2768, 2948, 2992, 3351, 3367, 3563, 3953, 3966, 4431, 4505, 4587, 4596, 4626, 5061, 6058, 6781, 6847, 6861]

cp's OEIS Frontend

A335210 Numbers L such that there is a prime p <= L for which v_p(H'(L) - 1) > 0, where v_p(x) is the p-adic valuation of x and H'(L) is the L-th alternating harmonic number.

Table of values

List of values