A251693 - cp's OEIS frontend

A251693 a(n) = (n+1) * (2n+1)^(n-2) 3^n.

n	a(n)
0	1
1	2
2	27
3	756
4	32805
5	1940598
6	145746783
7	13286025000
8	1425299311881
9	175940774387370
10	24567422246484579
11	3828825486242232732
12	658868122100830078125
13	124081133675135015343006
14	25384277097202185803440935
15	5605841615843732059988768592
16	1329181093536536811199747015953

[1, 2, 27, 756, 32805, 1940598, 145746783, 13286025000, 1425299311881, 175940774387370, 24567422246484579, 3828825486242232732, 658868122100830078125, 124081133675135015343006, 25384277097202185803440935, 5605841615843732059988768592, 1329181093536536811199747015953]

cp's OEIS Frontend

A251693 a(n) = (n+1) * (2n+1)^(n-2) 3^n.

Table of values

List of values

cp's OEIS Frontend

A251693 a(n) = (n+1) * (2*n+1)^(n-2) * 3^n.

Table of values

List of values

A251693 a(n) = (n+1) * (2n+1)^(n-2) 3^n.