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”).

A289766 as a simple table

na(n)
01
11
211
311
4101
5101
61101
71101
810001
910001
10111011
11111011
121010001
131010001
1411011011
1511011011
16100000001
17100000001
181110000011
191110000011
2010101000101
2110101000101
22110101101101
23110101101101
241000100000001
251000100000001
2611101110000011

[1,1,11,11,101,101,1101,1101,10001,10001,111011,
 111011,1010001,1010001,11011011,11011011,
 100000001,100000001,1110000011,1110000011,
 10101000101,10101000101,110101101101,110101101101,
 1000100000001,1000100000001,11101110000011]