A158455 - cp's OEIS frontend

A158455 a(n) = 2^(n-1)(n-1)!(4*n+1).

n	a(n)
1	5
2	18
3	104
4	816
5	8064
6	96000
7	1336320
8	21288960
9	381911040
10	7617576960
11	167215104000
12	4005730713600
13	103985499340800
14	2907670000435200
15	87128076504268800
16	2785241789890560000
17	94612521108897792000
18	3403308368004120576000
19	129232476659005784064000

[5, 18, 104, 816, 8064, 96000, 1336320, 21288960, 381911040, 7617576960, 167215104000, 4005730713600, 103985499340800, 2907670000435200, 87128076504268800, 2785241789890560000, 94612521108897792000, 3403308368004120576000, 129232476659005784064000]

cp's OEIS Frontend

A158455 a(n) = 2^(n-1)(n-1)!(4*n+1).

Table of values

List of values

cp's OEIS Frontend

A158455 a(n) = 2^(n-1)*(n-1)!*(4*n+1).

Table of values

List of values

A158455 a(n) = 2^(n-1)(n-1)!(4*n+1).