A326424 - cp's OEIS frontend

A326424 G.f. A(x) satisfies: Sum_{n>=0} A(x)^(n(n+1)/2) x^n = Sum_{n>=0} (1+x)^(n(n-1)/2) x^n.

n	a(n)
0	1
1	0
2	1
3	0
4	3
5	4
6	20
7	62
8	251
9	1002
10	4295
11	19086
12	88369
13	423957
14	2104214
15	10783054
16	56969183
17	309900293
18	1733790827
19	9965992962
20	58801256594
21	355808106682
22	2206237014216
23	14007443494601
24	90994768741426
25	604395083728629
26	4101881493676885
27	28426771732773415
28	201044377117957190
29	1450195412613951590
30	10663346917944740350
31	79885242459500736025

[1, 0, 1, 0, 3, 4, 20, 62, 251, 1002, 4295, 19086, 88369, 423957, 2104214, 10783054, 56969183, 309900293, 1733790827, 9965992962, 58801256594, 355808106682, 2206237014216, 14007443494601, 90994768741426, 604395083728629, 4101881493676885, 28426771732773415, 201044377117957190, 1450195412613951590, 10663346917944740350, 79885242459500736025]

cp's OEIS Frontend

A326424 G.f. A(x) satisfies: Sum_{n>=0} A(x)^(n(n+1)/2) x^n = Sum_{n>=0} (1+x)^(n(n-1)/2) x^n.

Table of values

List of values

cp's OEIS Frontend

A326424 G.f. A(x) satisfies: Sum_{n>=0} A(x)^(n*(n+1)/2) * x^n = Sum_{n>=0} (1+x)^(n*(n-1)/2) * x^n.

Table of values

List of values

A326424 G.f. A(x) satisfies: Sum_{n>=0} A(x)^(n(n+1)/2) x^n = Sum_{n>=0} (1+x)^(n(n-1)/2) x^n.