A082488 - cp's OEIS frontend

A082488 a(n) = Sum_{k = 0..n} C(n,k) * C(n+k,k) * C(n+2k,k) C(n+3*k,k).

n	a(n)
0	1
1	25
2	2641
3	392641
4	67982041
5	12838867105
6	2564949195985
7	533008982952625
8	114035552691160585
9	24950692835328410305
10	5557138347370070346601
11	1255741805437716400557625
12	287180884347761929741524361
13	66343186345544102086872515761

[1, 25, 2641, 392641, 67982041, 12838867105, 2564949195985, 533008982952625, 114035552691160585, 24950692835328410305, 5557138347370070346601, 1255741805437716400557625, 287180884347761929741524361, 66343186345544102086872515761]

cp's OEIS Frontend

A082488 a(n) = Sum_{k = 0..n} C(n,k) * C(n+k,k) * C(n+2k,k) C(n+3*k,k).

Table of values

List of values

cp's OEIS Frontend

A082488 a(n) = Sum_{k = 0..n} C(n,k) * C(n+k,k) * C(n+2*k,k) * C(n+3*k,k).

Table of values

List of values

A082488 a(n) = Sum_{k = 0..n} C(n,k) * C(n+k,k) * C(n+2k,k) C(n+3*k,k).