A246510 - cp's OEIS frontend

A246510 G.f.: Sum_{n>=0} x^n / (1-4x)^(2n+1) * [Sum_{k=0..n} C(n,k)^2 * 3^k * x^k] * [Sum_{k=0..n} C(n,k)^2 * 4^k * x^k].

n	a(n)
0	1
1	5
2	36
3	305
4	2821
5	27690
6	282699
7	2967285
8	31785786
9	345815975
10	3808549531
11	42360017130
12	474990254821
13	5362633500755
14	60897115958286
15	695012481567465
16	7966829676299139
17	91674042449673960
18	1058486539560201051
19	12258669983923625475
20	142359286920427682046
21	1657287004720545992505

[1, 5, 36, 305, 2821, 27690, 282699, 2967285, 31785786, 345815975, 3808549531, 42360017130, 474990254821, 5362633500755, 60897115958286, 695012481567465, 7966829676299139, 91674042449673960, 1058486539560201051, 12258669983923625475, 142359286920427682046, 1657287004720545992505]

cp's OEIS Frontend

A246510 G.f.: Sum_{n>=0} x^n / (1-4x)^(2n+1) * [Sum_{k=0..n} C(n,k)^2 * 3^k * x^k] * [Sum_{k=0..n} C(n,k)^2 * 4^k * x^k].

Table of values

List of values

cp's OEIS Frontend

A246510 G.f.: Sum_{n>=0} x^n / (1-4*x)^(2*n+1) * [Sum_{k=0..n} C(n,k)^2 * 3^k * x^k] * [Sum_{k=0..n} C(n,k)^2 * 4^k * x^k].

Table of values

List of values

A246510 G.f.: Sum_{n>=0} x^n / (1-4x)^(2n+1) * [Sum_{k=0..n} C(n,k)^2 * 3^k * x^k] * [Sum_{k=0..n} C(n,k)^2 * 4^k * x^k].