login
The OEIS is supported by
the many generous donors to the OEIS Foundation
.
Hints
(Greetings from
The On-Line Encyclopedia of Integer Sequences
!)
A093425
as a simple table
n
a(n)
1
1
2
2
3
111
4
4
5
5
6
11112
7
21112
8
1111112
9
111111111
10
0
11
0
12
11111111112
[1,2,111,4,5,11112,21112,1111112,111111111,0,0, 11111111112]