A275390 - cp's OEIS frontend

A275390 Numbers n for which |n/zeta(2) - Q(n)| sets a new record, where Q(x) is the number of squarefree numbers up to x.

n	a(n)
1	1
2	2
3	3
4	6
5	7
6	15
7	23
8	39
9	42
10	43
11	115
12	223
13	231
14	239
15	474
16	719
17	1367
18	1403
19	1406
20	1407
21	1410
22	1411
23	1419
24	1646
25	1659
26	1662
27	1663
28	3423
29	8810
30	8818
31	8819
32	8822
33	8823
34	8915
35	9239
36	9242

[1, 2, 3, 6, 7, 15, 23, 39, 42, 43, 115, 223, 231, 239, 474, 719, 1367, 1403, 1406, 1407, 1410, 1411, 1419, 1646, 1659, 1662, 1663, 3423, 8810, 8818, 8819, 8822, 8823, 8915, 9239, 9242]

cp's OEIS Frontend

A275390 Numbers n for which |n/zeta(2) - Q(n)| sets a new record, where Q(x) is the number of squarefree numbers up to x.

Table of values

List of values