A050984 - cp's OEIS frontend

A050984 de Bruijn's S(5,n) = Sum_{k = 0..2n} (-1)^(n+k)binomial(2*n, k)^5.

n	a(n)
0	1
1	30
2	5730
3	1696800
4	613591650
5	248832363780
6	108702332138400
7	50030418256790400
8	23933662070438513250
9	11795304320307625903500
10	5952113838155498195161980
11	3061813957188788125283450400
12	1600318610176809076206888362400
13	847745162264320796366122559544000

[1, 30, 5730, 1696800, 613591650, 248832363780, 108702332138400, 50030418256790400, 23933662070438513250, 11795304320307625903500, 5952113838155498195161980, 3061813957188788125283450400, 1600318610176809076206888362400, 847745162264320796366122559544000]

cp's OEIS Frontend

A050984 de Bruijn's S(5,n) = Sum_{k = 0..2n} (-1)^(n+k)binomial(2*n, k)^5.

Table of values

List of values

cp's OEIS Frontend

A050984 de Bruijn's S(5,n) = Sum_{k = 0..2*n} (-1)^(n+k)*binomial(2*n, k)^5.

Table of values

List of values

A050984 de Bruijn's S(5,n) = Sum_{k = 0..2n} (-1)^(n+k)binomial(2*n, k)^5.