A366204 - cp's OEIS frontend

A366204 a(n) = (1/n) * Sum_{k=0..n-1} binomial(n+k-1,k) * binomial(4n,n-k-1) (n-3)^k.

n	a(n)
1	1
2	3
3	22
4	305
5	6873
6	223300
7	9609372
8	517122117
9	33450100420
10	2528420918595
11	218708219876094
12	21304932729509468
13	2307805461194581390
14	275157252809857575960
15	35806664475402303854328
16	5049845899886455033320237
17	767208489677203200554103660
18	124917404793477227061928480153

[1, 3, 22, 305, 6873, 223300, 9609372, 517122117, 33450100420, 2528420918595, 218708219876094, 21304932729509468, 2307805461194581390, 275157252809857575960, 35806664475402303854328, 5049845899886455033320237, 767208489677203200554103660, 124917404793477227061928480153]

cp's OEIS Frontend

A366204 a(n) = (1/n) * Sum_{k=0..n-1} binomial(n+k-1,k) * binomial(4n,n-k-1) (n-3)^k.

Table of values

List of values

cp's OEIS Frontend

A366204 a(n) = (1/n) * Sum_{k=0..n-1} binomial(n+k-1,k) * binomial(4*n,n-k-1) * (n-3)^k.

Table of values

List of values

A366204 a(n) = (1/n) * Sum_{k=0..n-1} binomial(n+k-1,k) * binomial(4n,n-k-1) (n-3)^k.