A192404 - cp's OEIS frontend

A192404 G.f. satisfies: A(x,y) = 1 + Sum_{n>=1} x^nyA(x,y)^n/(1 - yA(x,y)^(2n)), where A(x,y) = 1 + Sum_{n>=1,k>=1} T(n,k)x^ny^k; here the coefficients T(n,k) form a square array and are read by antidiagonals.

n	a(n)
1	1
2	1
3	1
4	1
5	2
6	1
7	1
8	4
9	5
10	1
11	1
12	7
13	14
14	10
15	1
16	1
17	11
18	31
19	38
20	17
21	1
22	1
23	16
24	61
25	114
26	91
27	26
28	1
29	1
30	22
31	111
32	291
33	357
34	196
35	37
36	1
37	1
38	29
39	190
40	656
41	1131
42	971
43	384
44	50
45	1
46	1
47	37
48	309
49	1345
50	3092
51	3771
52	2367
53	694
54	65
55	1
56	1
57	46
58	481
59	2563
60	7575
61	12393
62	11150
63	5286
64	1173
65	82
66	1

[1, 1, 1, 1, 2, 1, 1, 4, 5, 1, 1, 7, 14, 10, 1, 1, 11, 31, 38, 17, 1, 1, 16, 61, 114, 91, 26, 1, 1, 22, 111, 291, 357, 196, 37, 1, 1, 29, 190, 656, 1131, 971, 384, 50, 1, 1, 37, 309, 1345, 3092, 3771, 2367, 694, 65, 1, 1, 46, 481, 2563, 7575, 12393, 11150, 5286, 1173, 82, 1]

cp's OEIS Frontend

A192404 G.f. satisfies: A(x,y) = 1 + Sum_{n>=1} x^nyA(x,y)^n/(1 - yA(x,y)^(2n)), where A(x,y) = 1 + Sum_{n>=1,k>=1} T(n,k)x^ny^k; here the coefficients T(n,k) form a square array and are read by antidiagonals.

Table of values

List of values

cp's OEIS Frontend

A192404 G.f. satisfies: A(x,y) = 1 + Sum_{n>=1} x^n*y*A(x,y)^n/(1 - y*A(x,y)^(2*n)), where A(x,y) = 1 + Sum_{n>=1,k>=1} T(n,k)*x^n*y^k; here the coefficients T(n,k) form a square array and are read by antidiagonals.

Table of values

List of values

A192404 G.f. satisfies: A(x,y) = 1 + Sum_{n>=1} x^nyA(x,y)^n/(1 - yA(x,y)^(2n)), where A(x,y) = 1 + Sum_{n>=1,k>=1} T(n,k)x^ny^k; here the coefficients T(n,k) form a square array and are read by antidiagonals.