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”).

A212659 as a simple table

na(n)
11
22
312
4112
5212
61112
72212
82112
911112
1021112
1112112
1222112
1312212
1422212
15111112
16211112
17121112
18221112
19122112
20222112
21112212
22122212
23222212
241111112
252111112
261211112
272211112
281121112

[1,2,12,112,212,1112,2212,2112,11112,21112,12112,
 22112,12212,22212,111112,211112,121112,221112,
 122112,222112,112212,122212,222212,1111112,
 2111112,1211112,2211112,1121112]