login

Year-end appeal: Please make a donation to the OEIS Foundation to support ongoing development and maintenance of the OEIS. We are now in our 61st year, we have over 378,000 sequences, and we’ve reached 11,000 citations (which often say “discovered thanks to the OEIS”).

A130838 as a simple table

na(n)
112
2112
3122
41112
51122
61212
71222
811112
911122
1011212
1111222
1212112
1312122
1412212
1512222
16111112
17111122
18111212
19111222
20112112
21112122
22112212
23112222
24121112
25121122
26121212
27121222
28122112
29122122
30122212
31122222

[12,112,122,1112,1122,1212,1222,11112,11122,11212,
 11222,12112,12122,12212,12222,111112,111122,
 111212,111222,112112,112122,112212,112222,121112,
 121122,121212,121222,122112,122122,122212,122222]