A365770 - cp's OEIS frontend

A365770 Expansion of g.f. A(x,y) satisfying A(x,y) = 1 + xA(x,y)/(1 - xy * A(x,y))^2, as a triangle of coefficients T(n,k) of x^n*y^k in A(x,y), read by rows n >= 0.

n	a(n)
0	1
1	1
2	0
3	1
4	2
5	0
6	1
7	6
8	3
9	0
10	1
11	12
12	20
13	4
14	0
15	1
16	20
17	70
18	50
19	5
20	0
21	1
22	30
23	180
24	280
25	105
26	6
27	0
28	1
29	42
30	385
31	1050
32	882
33	196
34	7
35	0
36	1
37	56
38	728
39	3080
40	4620
41	2352
42	336
43	8
44	0
45	1
46	72
47	1260
48	7644
49	18018
50	16632
51	5544
52	540
53	9
54	0
55	1
56	90
57	2040
58	16800
59	57330
60	84084
61	51480
62	11880
63	825
64	10
65	0
66	1
67	110
68	3135
69	33660
70	157080
71	336336
72	330330
73	141570
74	23595
75	1210
76	11
77	0

[1, 1, 0, 1, 2, 0, 1, 6, 3, 0, 1, 12, 20, 4, 0, 1, 20, 70, 50, 5, 0, 1, 30, 180, 280, 105, 6, 0, 1, 42, 385, 1050, 882, 196, 7, 0, 1, 56, 728, 3080, 4620, 2352, 336, 8, 0, 1, 72, 1260, 7644, 18018, 16632, 5544, 540, 9, 0, 1, 90, 2040, 16800, 57330, 84084, 51480, 11880, 825, 10, 0, 1, 110, 3135, 33660, 157080, 336336, 330330, 141570, 23595, 1210, 11, 0]

cp's OEIS Frontend

A365770 Expansion of g.f. A(x,y) satisfying A(x,y) = 1 + xA(x,y)/(1 - xy * A(x,y))^2, as a triangle of coefficients T(n,k) of x^n*y^k in A(x,y), read by rows n >= 0.

Table of values

List of values

cp's OEIS Frontend

A365770 Expansion of g.f. A(x,y) satisfying A(x,y) = 1 + x*A(x,y)/(1 - x*y * A(x,y))^2, as a triangle of coefficients T(n,k) of x^n*y^k in A(x,y), read by rows n >= 0.

Table of values

List of values

A365770 Expansion of g.f. A(x,y) satisfying A(x,y) = 1 + xA(x,y)/(1 - xy * A(x,y))^2, as a triangle of coefficients T(n,k) of x^n*y^k in A(x,y), read by rows n >= 0.