A128672 - cp's OEIS frontend

A128672 Numbers m such that m^k does not divide the denominator of the m-th generalized harmonic number H(m,k) nor the denominator of the m-th alternating generalized harmonic number H'(m,k), for k = 2.

n	a(n)
1	20
2	42
3	100
4	110
5	156
6	272
7	294
8	342
9	500
10	506
11	812
12	930
13	1210
14	1332
15	1640
16	1806
17	2028
18	2058
19	2162
20	2500
21	2756
22	3422
23	3660
24	4422
25	4624
26	4970
27	5256
28	6162
29	6498
30	6806
31	7832
32	9312
33	10100
34	10506
35	11026
36	11342
37	11638
38	11772
39	12500
40	12656
41	13310
42	14406
43	16002
44	17030

[20, 42, 100, 110, 156, 272, 294, 342, 500, 506, 812, 930, 1210, 1332, 1640, 1806, 2028, 2058, 2162, 2500, 2756, 3422, 3660, 4422, 4624, 4970, 5256, 6162, 6498, 6806, 7832, 9312, 10100, 10506, 11026, 11342, 11638, 11772, 12500, 12656, 13310, 14406, 16002, 17030]

cp's OEIS Frontend

A128672 Numbers m such that m^k does not divide the denominator of the m-th generalized harmonic number H(m,k) nor the denominator of the m-th alternating generalized harmonic number H'(m,k), for k = 2.

Table of values

List of values