A365771 - cp's OEIS frontend

A365771 a(n) = binomial(2n+1, n)/(2n+1) * binomial(3*n-1, n) for n >= 0.

n	a(n)
0	1
1	2
2	20
3	280
4	4620
5	84084
6	1633632
7	33256080
8	701149020
9	15191562100
10	336424047960
11	7584833081280
12	173575987821600
13	4022766574898400
14	94247674040476800
15	2228957491057276320
16	53150802525726081660
17	1276661433215969608500
18	30863850087221160009000

[1, 2, 20, 280, 4620, 84084, 1633632, 33256080, 701149020, 15191562100, 336424047960, 7584833081280, 173575987821600, 4022766574898400, 94247674040476800, 2228957491057276320, 53150802525726081660, 1276661433215969608500, 30863850087221160009000]

cp's OEIS Frontend

A365771 a(n) = binomial(2n+1, n)/(2n+1) * binomial(3*n-1, n) for n >= 0.

Table of values

List of values

cp's OEIS Frontend

A365771 a(n) = binomial(2*n+1, n)/(2*n+1) * binomial(3*n-1, n) for n >= 0.

Table of values

List of values

A365771 a(n) = binomial(2n+1, n)/(2n+1) * binomial(3*n-1, n) for n >= 0.