login
The OEIS is supported by
the many generous donors to the OEIS Foundation
.
Hints
(Greetings from
The On-Line Encyclopedia of Integer Sequences
!)
A024780
as a simple table
n
a(n)
1
2
2
3
3
12
4
23
5
32
6
43
7
232
8
243
9
412
10
423
11
2232
12
4412
13
4423
14
22232
15
222232
[2,3,12,23,32,43,232,243,412,423,2232,4412,4423, 22232,222232]