A377642 - cp's OEIS frontend

A377642 a(n) = (1/(n-1)!) * Product_{i=1..n-1} (2^n-2^i).

n	a(n)
1	1
2	2
3	12
4	224
5	13440
6	2666496
7	1791885312
8	4161269661696
9	33955960439439360
10	987107315743488737280
11	103404624282172311371513856
12	39408968779516596852827017445376
13	55084280201257118417007491904448757760
14	284322478318511376197290687371005495020093440

[1, 2, 12, 224, 13440, 2666496, 1791885312, 4161269661696, 33955960439439360, 987107315743488737280, 103404624282172311371513856, 39408968779516596852827017445376, 55084280201257118417007491904448757760, 284322478318511376197290687371005495020093440]

cp's OEIS Frontend

A377642 a(n) = (1/(n-1)!) * Product_{i=1..n-1} (2^n-2^i).

Table of values

List of values