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”).

A284399 as a simple table

na(n)
01
111
2111
31101
411101
5110101
61110001
711011011
8111011111
91101010111
1011100010111
11110110110111
121110111110111
1311010101110111
14111000101110111
151101101111110111
1611101111011110111
17110101011011110111
181110001011111110111
1911011011110101010111

[1,11,111,1101,11101,110101,1110001,11011011,
 111011111,1101010111,11100010111,110110110111,
 1110111110111,11010101110111,111000101110111,
 1101101111110111,11101111011110111,
 110101011011110111,1110001011111110111,
 11011011110101010111]