A086623 - cp's OEIS frontend

A086623 Symmetric square table of coefficients, read by antidiagonals, where T(n,k) is the coefficient of x^ny^k in f(x,y) that satisfies f(x,y) = (1-xy)/[(1-x)(1-y)] + xyf(x,y)^2.

n	a(n)
0	1
1	1
2	1
3	1
4	1
5	1
6	1
7	2
8	2
9	1
10	1
11	3
12	4
13	3
14	1
15	1
16	4
17	8
18	8
19	4
20	1
21	1
22	5
23	14
24	19
25	14
26	5
27	1
28	1
29	6
30	22
31	40
32	40
33	22
34	6
35	1
36	1
37	7
38	32
39	76
40	100
41	76
42	32
43	7
44	1
45	1
46	8
47	44
48	132
49	222
50	222
51	132
52	44
53	8
54	1
55	1
56	9
57	58
58	213
59	448
60	570
61	448
62	213
63	58
64	9
65	1
66	1
67	10
68	74
69	324
70	834
71	1316
72	1316
73	834
74	324
75	74
76	10
77	1
78	1

[1, 1, 1, 1, 1, 1, 1, 2, 2, 1, 1, 3, 4, 3, 1, 1, 4, 8, 8, 4, 1, 1, 5, 14, 19, 14, 5, 1, 1, 6, 22, 40, 40, 22, 6, 1, 1, 7, 32, 76, 100, 76, 32, 7, 1, 1, 8, 44, 132, 222, 222, 132, 44, 8, 1, 1, 9, 58, 213, 448, 570, 448, 213, 58, 9, 1, 1, 10, 74, 324, 834, 1316, 1316, 834, 324, 74, 10, 1, 1]

cp's OEIS Frontend

A086623 Symmetric square table of coefficients, read by antidiagonals, where T(n,k) is the coefficient of x^ny^k in f(x,y) that satisfies f(x,y) = (1-xy)/[(1-x)(1-y)] + xyf(x,y)^2.

Table of values

List of values

cp's OEIS Frontend

A086623 Symmetric square table of coefficients, read by antidiagonals, where T(n,k) is the coefficient of x^n*y^k in f(x,y) that satisfies f(x,y) = (1-xy)/[(1-x)(1-y)] + xy*f(x,y)^2.

Table of values

List of values

A086623 Symmetric square table of coefficients, read by antidiagonals, where T(n,k) is the coefficient of x^ny^k in f(x,y) that satisfies f(x,y) = (1-xy)/[(1-x)(1-y)] + xyf(x,y)^2.