login
The OEIS is supported by
the many generous donors to the OEIS Foundation
.
Hints
(Greetings from
The On-Line Encyclopedia of Integer Sequences
!)
A241899
as a simple table
n
a(n)
10
11
11
22
12
33
13
44
14
55
15
66
16
77
17
88
18
99
19
132
20
264
21
396
[11,22,33,44,55,66,77,88,99,132,264,396]