A089447 - cp's OEIS frontend

A089447 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) = g(x,y) + xyf(x,y)^4 and where g(x,y) satisfies: 1 + (x+y-1)g(x,y) + xyg(x,y)^2 = 0.

n	a(n)
0	1
1	1
2	1
3	1
4	4
5	1
6	1
7	10
8	10
9	1
10	1
11	20
12	48
13	20
14	1
15	1
16	35
17	162
18	162
19	35
20	1
21	1
22	56
23	441
24	841
25	441
26	56
27	1
28	1
29	84
30	1036
31	3314
32	3314
33	1036
34	84
35	1
36	1
37	120
38	2184
39	10786
40	18004
41	10786
42	2184
43	120
44	1
45	1
46	165
47	4236
48	30460
49	77952
50	77952
51	30460
52	4236
53	165
54	1
55	1
56	220
57	7689
58	77044

[1, 1, 1, 1, 4, 1, 1, 10, 10, 1, 1, 20, 48, 20, 1, 1, 35, 162, 162, 35, 1, 1, 56, 441, 841, 441, 56, 1, 1, 84, 1036, 3314, 3314, 1036, 84, 1, 1, 120, 2184, 10786, 18004, 10786, 2184, 120, 1, 1, 165, 4236, 30460, 77952, 77952, 30460, 4236, 165, 1, 1, 220, 7689, 77044]

cp's OEIS Frontend

A089447 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) = g(x,y) + xyf(x,y)^4 and where g(x,y) satisfies: 1 + (x+y-1)g(x,y) + xyg(x,y)^2 = 0.

Table of values

List of values

cp's OEIS Frontend

A089447 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) = g(x,y) + xy*f(x,y)^4 and where g(x,y) satisfies: 1 + (x+y-1)*g(x,y) + xy*g(x,y)^2 = 0.

Table of values

List of values

A089447 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) = g(x,y) + xyf(x,y)^4 and where g(x,y) satisfies: 1 + (x+y-1)g(x,y) + xyg(x,y)^2 = 0.