login

A278820 as a simple table

na(n)
01
111
211
311
41011
511
61011
7100011
810101011
9100011
1010101011
111000100011
12101010101011
13100011
1410101011
151001000100011
16101101010101011
1710110000000100011
18110010000010101011
1911010001000100011
201001010101010101011
21101101010000000100011

[1,11,11,11,1011,11,1011,100011,10101011,100011,
 10101011,1000100011,101010101011,100011,10101011,
 1001000100011,101101010101011,10110000000100011,
 110010000010101011,11010001000100011,
 1001010101010101011,101101010000000100011]