A286560 - cp's OEIS frontend

A286560 Compound filter (summands of A004001 & summands of A005185): a(n) = P(A286541(n), A286559(n)), where P(n,k) is sequence A000027 used as a pairing function, with a(1) = a(2) = 0.

n	a(n)
1	0
2	0
3	1
4	2
5	5
6	41
7	71
8	71
9	198
10	313
11	484
12	922
13	1153
14	1201
15	2105
16	1565
17	2588
18	4046
19	5001
20	7443
21	7443
22	8851
23	10671
24	19589
25	16570
26	16935
27	22254
28	25313
29	25313
30	25313
31	42891
32	28793
33	32768
34	52795
35	65504
36	59178
37	73355
38	89033
39	88632
40	107660
41	129045
42	129045
43	153471
44	167646
45	167646
46	182446
47	182446
48	336130
49	197244
50	233297
51	330472
52	307358
53	270167
54	355325
55	378466
56	332156

[0, 0, 1, 2, 5, 41, 71, 71, 198, 313, 484, 922, 1153, 1201, 2105, 1565, 2588, 4046, 5001, 7443, 7443, 8851, 10671, 19589, 16570, 16935, 22254, 25313, 25313, 25313, 42891, 28793, 32768, 52795, 65504, 59178, 73355, 89033, 88632, 107660, 129045, 129045, 153471, 167646, 167646, 182446, 182446, 336130, 197244, 233297, 330472, 307358, 270167, 355325, 378466, 332156]

cp's OEIS Frontend

A286560 Compound filter (summands of A004001 & summands of A005185): a(n) = P(A286541(n), A286559(n)), where P(n,k) is sequence A000027 used as a pairing function, with a(1) = a(2) = 0.

Table of values

List of values