login
The OEIS is supported by
the many generous donors to the OEIS Foundation
.
Hints
(Greetings from
The On-Line Encyclopedia of Integer Sequences
!)
A105494
as a simple table
n
a(n)
12
5
13
75
14
855
15
8665
16
83485
17
788515
18
7424515
19
70378930
20
675685240
21
6594991405
22
65598204272
[5,75,855,8665,83485,788515,7424515,70378930, 675685240,6594991405,65598204272]