A248600 - cp's OEIS frontend

A248600 G.f.: Sum_{n>=0} R_n(x+xy) x^(2n)y^n / (1-x-xy)^(4n+1) = Sum_{n>=0} Sum_{k=0..n} C(n,k)^4 * x^ny^k, where R_n(x+xy) equals the n-th row polynomial R_n(z) = Sum_{k=0..2n} T(n,k)z^k at z = x+x*y.

n	a(n)
0	1
1	14
2	8
3	2
4	786
5	1056
6	576
7	96
8	6
9	61340
10	131760
11	117900
12	48320
13	9540
14	720
15	20
16	5562130
17	16481920
18	20917120
19	13847680
20	5118400
21	1025920
22	105280
23	4480
24	70
25	549676764
26	2079579600
27	3444581700
28	3165926400
29	1755532800
30	598123008
31	123656400
32	14716800
33	926100
34	25200
35	252
36	57440496036

[1, 14, 8, 2, 786, 1056, 576, 96, 6, 61340, 131760, 117900, 48320, 9540, 720, 20, 5562130, 16481920, 20917120, 13847680, 5118400, 1025920, 105280, 4480, 70, 549676764, 2079579600, 3444581700, 3165926400, 1755532800, 598123008, 123656400, 14716800, 926100, 25200, 252, 57440496036]

cp's OEIS Frontend

A248600 G.f.: Sum_{n>=0} R_n(x+xy) x^(2n)y^n / (1-x-xy)^(4n+1) = Sum_{n>=0} Sum_{k=0..n} C(n,k)^4 * x^ny^k, where R_n(x+xy) equals the n-th row polynomial R_n(z) = Sum_{k=0..2n} T(n,k)z^k at z = x+x*y.

Table of values

List of values

cp's OEIS Frontend

A248600 G.f.: Sum_{n>=0} R_n(x+x*y) * x^(2*n)*y^n / (1-x-x*y)^(4*n+1) = Sum_{n>=0} Sum_{k=0..n} C(n,k)^4 * x^n*y^k, where R_n(x+x*y) equals the n-th row polynomial R_n(z) = Sum_{k=0..2*n} T(n,k)*z^k at z = x+x*y.

Table of values

List of values

A248600 G.f.: Sum_{n>=0} R_n(x+xy) x^(2n)y^n / (1-x-xy)^(4n+1) = Sum_{n>=0} Sum_{k=0..n} C(n,k)^4 * x^ny^k, where R_n(x+xy) equals the n-th row polynomial R_n(z) = Sum_{k=0..2n} T(n,k)z^k at z = x+x*y.