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”).

A262635 as a simple table

na(n)
11
212121
3111212111
431112121113
5133111212111331
6123133111212111331321
7303123133111212111331321303
83030312313311121211133132130303
930303031231331112121113313213030303
103303030312313311121211133132130303033
1111330303031231331112121113313213030303311

[1,12121,111212111,31112121113,133111212111331,
 123133111212111331321,303123133111212111331321303,
 3030312313311121211133132130303,
 30303031231331112121113313213030303,
 3303030312313311121211133132130303033,
 11330303031231331112121113313213030303311]