A112035 - cp's OEIS frontend

A112035 a(n) = Sum_{k=0..n} kC(n,k)^2C(n+k,k)^3, where C := binomial.

n	a(n)
0	0
1	8
2	540
3	42576
4	3675000
5	334595040
6	31539372732
7	3046472028320
8	299666635774704
9	29894793786770040
10	3016010007220052700
11	307083034957464057600
12	31506217163866419507000
13	3253427167078021753747200
14	337821983730064508845772700
15	35246436592815103238009282880

[0, 8, 540, 42576, 3675000, 334595040, 31539372732, 3046472028320, 299666635774704, 29894793786770040, 3016010007220052700, 307083034957464057600, 31506217163866419507000, 3253427167078021753747200, 337821983730064508845772700, 35246436592815103238009282880]

cp's OEIS Frontend

A112035 a(n) = Sum_{k=0..n} kC(n,k)^2C(n+k,k)^3, where C := binomial.

Table of values

List of values

cp's OEIS Frontend

A112035 a(n) = Sum_{k=0..n} k*C(n,k)^2*C(n+k,k)^3, where C := binomial.

Table of values

List of values

A112035 a(n) = Sum_{k=0..n} kC(n,k)^2C(n+k,k)^3, where C := binomial.