A082489 - cp's OEIS frontend

A082489 a(n) = Sum_{k = 0..n} C(n,k) * C(n+k,k) * C(n+2k,k) C(n+3k,k) C(n+4*k,k).

n	a(n)
0	1
1	121
2	114121
3	169417921
4	308238414121
5	629799991355641
6	1387152264043496161
7	3220175519103433952161
8	7771784978946238318454761
9	19326687177288750280293146161
10	49215884415076728067274047737961
11	127771596843320597524806463425540481

[1, 121, 114121, 169417921, 308238414121, 629799991355641, 1387152264043496161, 3220175519103433952161, 7771784978946238318454761, 19326687177288750280293146161, 49215884415076728067274047737961, 127771596843320597524806463425540481]

cp's OEIS Frontend

A082489 a(n) = Sum_{k = 0..n} C(n,k) * C(n+k,k) * C(n+2k,k) C(n+3k,k) C(n+4*k,k).

Table of values

List of values

cp's OEIS Frontend

A082489 a(n) = Sum_{k = 0..n} C(n,k) * C(n+k,k) * C(n+2*k,k) * C(n+3*k,k) * C(n+4*k,k).

Table of values

List of values

A082489 a(n) = Sum_{k = 0..n} C(n,k) * C(n+k,k) * C(n+2k,k) C(n+3k,k) C(n+4*k,k).