A381165 - cp's OEIS frontend

A381165 a(n) = Sum_{k=0..n} binomial(2n,n)binomial(n, k)(5k)!/((k!)^3(2k)!).

n	a(n)
0	1
1	122
2	114126
3	169305620
4	307902541870
5	628881704226972
6	1384648756554128604
7	3213280613371692112392
8	7752574653184355259506670
9	19272593072633780827550508620
10	49062146831202726778631520779476
11	127331178560917294198014376933764792
12	335791906923524740189894975371277920796

[1, 122, 114126, 169305620, 307902541870, 628881704226972, 1384648756554128604, 3213280613371692112392, 7752574653184355259506670, 19272593072633780827550508620, 49062146831202726778631520779476, 127331178560917294198014376933764792, 335791906923524740189894975371277920796]

cp's OEIS Frontend

A381165 a(n) = Sum_{k=0..n} binomial(2n,n)binomial(n, k)(5k)!/((k!)^3(2k)!).

Table of values

List of values

cp's OEIS Frontend

A381165 a(n) = Sum_{k=0..n} binomial(2*n,n)*binomial(n, k)*(5*k)!/((k!)^3*(2*k)!).

Table of values

List of values

A381165 a(n) = Sum_{k=0..n} binomial(2n,n)binomial(n, k)(5k)!/((k!)^3(2k)!).