login
This site is supported by donations to The OEIS Foundation.

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)

A007931 as a simple table

n a(n)
1 1
2 2
3 11
4 12
5 21
6 22
7 111
8 112
9 121
10 122
11 211
12 212
13 221
14 222
15 1111
16 1112
17 1121
18 1122
19 1211
20 1212
21 1221
22 1222
23 2111
24 2112
25 2121
26 2122
27 2211
28 2212
29 2221
30 2222
31 11111
32 11112
33 11121
34 11122
35 11211
36 11212
37 11221
38 11222
39 12111
40 12112
41 12121
42 12122

[1,2,11,12,21,22,111,112,121,122,211,212,221,222,
 1111,1112,1121,1122,1211,1212,1221,1222,2111,2112,
 2121,2122,2211,2212,2221,2222,11111,11112,11121,
 11122,11211,11212,11221,11222,12111,12112,12121,
 12122]

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recent
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified February 20 08:44 EST 2019. Contains 320325 sequences. (Running on oeis4.)