A275210 - cp's OEIS frontend

A275210 Expansion of (A(x)^2-A(x^2))/2 where A(x) = A001006(x)-1.

n	a(n)
0	0
1	0
2	0
3	2
4	5
5	17
6	45
7	129
8	349
9	970
10	2658
11	7364
12	20363
13	56634
14	157750
15	441084
16	1236173
17	3474672
18	9789568
19	27648486
20	78254719
21	221951037
22	630717569
23	1795576937
24	5120472435
25	14625574662
26	41837913310
27	119851980508
28	343798008165
29	987445317761
30	2839518208661

[0, 0, 0, 2, 5, 17, 45, 129, 349, 970, 2658, 7364, 20363, 56634, 157750, 441084, 1236173, 3474672, 9789568, 27648486, 78254719, 221951037, 630717569, 1795576937, 5120472435, 14625574662, 41837913310, 119851980508, 343798008165, 987445317761, 2839518208661]

cp's OEIS Frontend

A275210 Expansion of (A(x)^2-A(x^2))/2 where A(x) = A001006(x)-1.

Table of values

List of values