A275547 - cp's OEIS frontend

A275547 Numbers n that have an equal number of even and odd values of A001221(k) for 1 <= k <= n.

n	a(n)
1	2
2	40
3	46
4	48
5	50
6	7960
7	7962
8	7984
9	7986
10	8808
11	8810
12	8812
13	8816
14	8822
15	8824
16	8826
17	8828
18	8830
19	8836
20	8844
21	8846
22	8848
23	8850
24	8854
25	8856
26	8858
27	8860
28	8862
29	8864
30	8866
31	8872
32	8878
33	8970
34	8972
35	8974
36	9064
37	9078
38	9080
39	9082
40	9084
41	9086
42	9088
43	9096
44	9164
45	9220

[2, 40, 46, 48, 50, 7960, 7962, 7984, 7986, 8808, 8810, 8812, 8816, 8822, 8824, 8826, 8828, 8830, 8836, 8844, 8846, 8848, 8850, 8854, 8856, 8858, 8860, 8862, 8864, 8866, 8872, 8878, 8970, 8972, 8974, 9064, 9078, 9080, 9082, 9084, 9086, 9088, 9096, 9164, 9220]

cp's OEIS Frontend

A275547 Numbers n that have an equal number of even and odd values of A001221(k) for 1 <= k <= n.

Table of values

List of values