A335189 - cp's OEIS frontend

A335189 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 harmonic number.

n	a(n)
1	21
2	23
3	43
4	47
5	66
6	68
7	78
8	82
9	86
10	111
11	115
12	119
13	157
14	160
15	164
16	167
17	273
18	287
19	343
20	359
21	438
22	442
23	456
24	460
25	507
26	527
27	579
28	581
29	615
30	665
31	813
32	818
33	834
34	839
35	931
36	943
37	947
38	959
39	1082
40	1090
41	1111
42	1119
43	1140
44	1148
45	1248
46	1288
47	1333
48	1340
49	1346
50	1354
51	1360
52	1367
53	1592
54	1640
55	1641
56	1679
57	1807
58	1847
59	2034
60	2067
61	2069
62	2163
63	2190

[21, 23, 43, 47, 66, 68, 78, 82, 86, 111, 115, 119, 157, 160, 164, 167, 273, 287, 343, 359, 438, 442, 456, 460, 507, 527, 579, 581, 615, 665, 813, 818, 834, 839, 931, 943, 947, 959, 1082, 1090, 1111, 1119, 1140, 1148, 1248, 1288, 1333, 1340, 1346, 1354, 1360, 1367, 1592, 1640, 1641, 1679, 1807, 1847, 2034, 2067, 2069, 2163, 2190]

cp's OEIS Frontend

A335189 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 harmonic number.

Table of values

List of values