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”).

A214679 as a simple table

na(n)
11
21
31
41
51
611
71
81
92
10111
111
121
132
1411
1511111
161
171
182
193
2021
2111111111
221
231
242
253
2612
27112
281111111111111
291
301
312
323
3311
3422
35221
36111111111111111111111
371
381
392
403
415
4214
43111
441221
451111111111111111111111111111111111

[1,1,1,1,1,11,1,1,2,111,1,1,2,11,11111,1,1,2,3,21,
 11111111,1,1,2,3,12,112,1111111111111,1,1,2,3,11,
 22,221,111111111111111111111,1,1,2,3,5,14,111,
 1221,1111111111111111111111111111111111]