A357559 - cp's OEIS frontend

A357559 a(n) = Sum_{k = 0..n} (-1)^(n+k)k^3binomial(n,k)*binomial(n+k,k)^2.

n	a(n)
0	0
1	4
2	270
3	8448
4	192000
5	3669300
6	62952162
7	1003770880
8	15182515584
9	220700443500
10	3110529630450
11	42769154678976
12	576313309494000
13	7636526099508852
14	99765264496070250
15	1287663145631539200
16	16446680778536421888
17	208154776511034178380
18	2613380452317012835386

[0, 4, 270, 8448, 192000, 3669300, 62952162, 1003770880, 15182515584, 220700443500, 3110529630450, 42769154678976, 576313309494000, 7636526099508852, 99765264496070250, 1287663145631539200, 16446680778536421888, 208154776511034178380, 2613380452317012835386]

cp's OEIS Frontend

A357559 a(n) = Sum_{k = 0..n} (-1)^(n+k)k^3binomial(n,k)*binomial(n+k,k)^2.

Table of values

List of values

cp's OEIS Frontend

A357559 a(n) = Sum_{k = 0..n} (-1)^(n+k)*k^3*binomial(n,k)*binomial(n+k,k)^2.

Table of values

List of values

A357559 a(n) = Sum_{k = 0..n} (-1)^(n+k)k^3binomial(n,k)*binomial(n+k,k)^2.