login
The OEIS is supported by
the many generous donors to the OEIS Foundation
.
Hints
(Greetings from
The On-Line Encyclopedia of Integer Sequences
!)
A257787
as a simple table
n
a(n)
1
1
2
2
3
3
4
4
5
5
6
6
7
7
8
8
9
9
10
37
11
48
12
415
13
231591
14
3829377463694454
15
56407086228259246207394322684
[1,2,3,4,5,6,7,8,9,37,48,415,231591, 3829377463694454,56407086228259246207394322684]