A331930 - cp's OEIS frontend

A331930 a(n) is the smallest composite k such that Sum_{composites j = 4, ..., k} 1/j exceeds n/2.

n	a(n)
1	8
2	16
3	33
4	63
5	118
6	216
7	395
8	715
9	1281
10	2279
11	4036
12	7102
13	12441
14	21722
15	37797
16	65558
17	113422
18	195759
19	337148
20	579465
21	994194
22	1703072
23	2912869
24	4975222
25	8486672
26	14459492
27	24608418
28	41837580
29	71060409
30	120585504
31	204452804
32	346372172
33	586359050
34	991915208

[8, 16, 33, 63, 118, 216, 395, 715, 1281, 2279, 4036, 7102, 12441, 21722, 37797, 65558, 113422, 195759, 337148, 579465, 994194, 1703072, 2912869, 4975222, 8486672, 14459492, 24608418, 41837580, 71060409, 120585504, 204452804, 346372172, 586359050, 991915208]

cp's OEIS Frontend

A331930 a(n) is the smallest composite k such that Sum_{composites j = 4, ..., k} 1/j exceeds n/2.

Table of values

List of values