A376872 - cp's OEIS frontend

A376872 a(n) = n! * 2^(-n) * binomial(3n - 1, 2n) * binomial(2*n, n). Central terms of the Bessel triangle A132062.

n	a(n)
0	1
1	1
2	15
3	420
4	17325
5	945945
6	64324260
7	5237832600
8	496939367925
9	53835098191875
10	6557114959770375
11	886998823648938000
12	131941075017779527500
13	21404902093269001807500
14	3761147082102981746175000
15	711609027933884146376310000
16	144234254849349142918648333125

[1, 1, 15, 420, 17325, 945945, 64324260, 5237832600, 496939367925, 53835098191875, 6557114959770375, 886998823648938000, 131941075017779527500, 21404902093269001807500, 3761147082102981746175000, 711609027933884146376310000, 144234254849349142918648333125]

cp's OEIS Frontend

A376872 a(n) = n! * 2^(-n) * binomial(3n - 1, 2n) * binomial(2*n, n). Central terms of the Bessel triangle A132062.

Table of values

List of values

cp's OEIS Frontend

A376872 a(n) = n! * 2^(-n) * binomial(3*n - 1, 2*n) * binomial(2*n, n). Central terms of the Bessel triangle A132062.

Table of values

List of values

A376872 a(n) = n! * 2^(-n) * binomial(3n - 1, 2n) * binomial(2*n, n). Central terms of the Bessel triangle A132062.