A386896 - cp's OEIS frontend

A386896 a(n) = Sum_{k=0..n} binomial(5n+1,k) binomial(3*n-k,n-k).

n	a(n)
0	1
1	9
2	125
3	1932
4	31365
5	523809
6	8910356
7	153544680
8	2671398309
9	46822319115
10	825501663525
11	14623742203200
12	260088366645900
13	4641248247561324
14	83059406374007720
15	1490097583932329232
16	26790218420643034533
17	482571492068274975135
18	8707190579448431827991

[1, 9, 125, 1932, 31365, 523809, 8910356, 153544680, 2671398309, 46822319115, 825501663525, 14623742203200, 260088366645900, 4641248247561324, 83059406374007720, 1490097583932329232, 26790218420643034533, 482571492068274975135, 8707190579448431827991]

cp's OEIS Frontend

A386896 a(n) = Sum_{k=0..n} binomial(5n+1,k) binomial(3*n-k,n-k).

Table of values

List of values

cp's OEIS Frontend

A386896 a(n) = Sum_{k=0..n} binomial(5*n+1,k) * binomial(3*n-k,n-k).

Table of values

List of values

A386896 a(n) = Sum_{k=0..n} binomial(5n+1,k) binomial(3*n-k,n-k).