A319578 - cp's OEIS frontend

A319578 a(n) = (1/3)(n+2)^2(3*n+3)!/(n+2)!^3.

n	a(n)
0	1
1	10
2	140
3	2310
4	42042
5	816816
6	16628040
7	350574510
8	7595781050
9	168212023980
10	3792416540640
11	86787993910800
12	2011383287449200
13	47123837020238400
14	1114478745528638160
15	26575401262863040830
16	638330716607984804250
17	15431925043610580004500
18	375239440534109892741000

[1, 10, 140, 2310, 42042, 816816, 16628040, 350574510, 7595781050, 168212023980, 3792416540640, 86787993910800, 2011383287449200, 47123837020238400, 1114478745528638160, 26575401262863040830, 638330716607984804250, 15431925043610580004500, 375239440534109892741000]

cp's OEIS Frontend

A319578 a(n) = (1/3)(n+2)^2(3*n+3)!/(n+2)!^3.

Table of values

List of values

cp's OEIS Frontend

A319578 a(n) = (1/3)*(n+2)^2*(3*n+3)!/(n+2)!^3.

Table of values

List of values

A319578 a(n) = (1/3)(n+2)^2(3*n+3)!/(n+2)!^3.