A086621 - cp's OEIS frontend

A086621 Main diagonal of square table A086620 of coefficients, T(n,k), of x^ny^k in f(x,y) that satisfies f(x,y) = 1/(1-x-y) + xyf(x,y)^2.

n	a(n)
0	1
1	3
2	14
3	79
4	504
5	3514
6	26172
7	204831
8	1664696
9	13930840
10	119312544
11	1041227642
12	9228614836
13	82867255956
14	752405060536
15	6897376441167
16	63760133568096
17	593763928313128
18	5565678569009328
19	52475976165495960
20	497376657383374560
21	4736680863568248480
22	45304174896889357440

[1, 3, 14, 79, 504, 3514, 26172, 204831, 1664696, 13930840, 119312544, 1041227642, 9228614836, 82867255956, 752405060536, 6897376441167, 63760133568096, 593763928313128, 5565678569009328, 52475976165495960, 497376657383374560, 4736680863568248480, 45304174896889357440]

cp's OEIS Frontend

A086621 Main diagonal of square table A086620 of coefficients, T(n,k), of x^ny^k in f(x,y) that satisfies f(x,y) = 1/(1-x-y) + xyf(x,y)^2.

Table of values

List of values

cp's OEIS Frontend

A086621 Main diagonal of square table A086620 of coefficients, T(n,k), of x^n*y^k in f(x,y) that satisfies f(x,y) = 1/(1-x-y) + xy*f(x,y)^2.

Table of values

List of values

A086621 Main diagonal of square table A086620 of coefficients, T(n,k), of x^ny^k in f(x,y) that satisfies f(x,y) = 1/(1-x-y) + xyf(x,y)^2.