A356568 - cp's OEIS frontend

A356568 a(n) = (4^n - 1)n^(2n).

n	a(n)
0	0
1	3
2	240
3	45927
4	16711680
5	9990234375
6	8913923665920
7	11111328602485167
8	18446462598732840960
9	39346257980661240576303
10	104857500000000000000000000
11	341427795961470170556885610263
12	1333735697353436921058237339402240
13	6156119488473827117528057630000587767

[0, 3, 240, 45927, 16711680, 9990234375, 8913923665920, 11111328602485167, 18446462598732840960, 39346257980661240576303, 104857500000000000000000000, 341427795961470170556885610263, 1333735697353436921058237339402240, 6156119488473827117528057630000587767]

cp's OEIS Frontend

A356568 a(n) = (4^n - 1)n^(2n).

Table of values

List of values

cp's OEIS Frontend

A356568 a(n) = (4^n - 1)*n^(2*n).

Table of values

List of values

A356568 a(n) = (4^n - 1)n^(2n).