A355357 - cp's OEIS frontend

A355357 G.f. A(x) satisfies: x = Sum_{n=-oo..+oo} (-1)^n * x^(n(n+1)) A(x)^n.

n	a(n)
0	1
1	1
2	1
3	4
4	7
5	20
6	43
7	110
8	262
9	674
10	1684
11	4397
12	11320
13	29938
14	78641
15	210044
16	559724
17	1507563
18	4060585
19	11016027
20	29919220
21	81673846
22	223307300
23	612851316
24	1684816018
25	4645243490
26	12829177587
27	35513736868
28	98465916370
29	273531234027
30	760966444416

[1, 1, 1, 4, 7, 20, 43, 110, 262, 674, 1684, 4397, 11320, 29938, 78641, 210044, 559724, 1507563, 4060585, 11016027, 29919220, 81673846, 223307300, 612851316, 1684816018, 4645243490, 12829177587, 35513736868, 98465916370, 273531234027, 760966444416]

cp's OEIS Frontend

A355357 G.f. A(x) satisfies: x = Sum_{n=-oo..+oo} (-1)^n * x^(n(n+1)) A(x)^n.

Table of values

List of values

cp's OEIS Frontend

A355357 G.f. A(x) satisfies: x = Sum_{n=-oo..+oo} (-1)^n * x^(n*(n+1)) * A(x)^n.

Table of values

List of values

A355357 G.f. A(x) satisfies: x = Sum_{n=-oo..+oo} (-1)^n * x^(n(n+1)) A(x)^n.