login
The OEIS is supported by
the many generous donors to the OEIS Foundation
.
Hints
(Greetings from
The On-Line Encyclopedia of Integer Sequences
!)
A375459
as a simple table
n
a(n)
0
21
1
18
2
15
3
51
4
195
5
435
6
76035
[21,18,15,51,195,435,76035]
