A326564 - cp's OEIS frontend

A326564 O.g.f. A(x) satisfies: 0 = Sum_{n>=1} (b(n) - A(x))^n * (2*x)^n / n, where b(n) = 1 if n is odd or b(n) = 2 if n is even.

n	a(n)
0	1
1	1
2	-2
3	7
4	-26
5	102
6	-420
7	1787
8	-7794
9	34666
10	-156636
11	716982
12	-3317700
13	15494156
14	-72935624
15	345701843
16	-1648489762
17	7902956738
18	-38067806892
19	184152092450
20	-894259126540
21	4357738501844
22	-21302682030328
23	104439435098718
24	-513390992000340
25	2529846489669412
26	-12494572784556440
27	61838364112438732
28	-306647601790749384
29	1523380558254732312
30	-7580755340625743760
31	37783723921640161923

[1, 1, -2, 7, -26, 102, -420, 1787, -7794, 34666, -156636, 716982, -3317700, 15494156, -72935624, 345701843, -1648489762, 7902956738, -38067806892, 184152092450, -894259126540, 4357738501844, -21302682030328, 104439435098718, -513390992000340, 2529846489669412, -12494572784556440, 61838364112438732, -306647601790749384, 1523380558254732312, -7580755340625743760, 37783723921640161923]

cp's OEIS Frontend

A326564 O.g.f. A(x) satisfies: 0 = Sum_{n>=1} (b(n) - A(x))^n * (2*x)^n / n, where b(n) = 1 if n is odd or b(n) = 2 if n is even.

Table of values

List of values