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”).

A115850 as a simple table

na(n)
110001
210011
310101
410111
511001
611011
711101
811111
9100010
10100011
11100110
12100111
13101010
14101011
15101110
16101111
17110001
18110010
19110011
20110101
21110110
22110111
23111001
24111010
25111011
26111101
27111110
28111111
291000100

[10001,10011,10101,10111,11001,11011,11101,11111,
 100010,100011,100110,100111,101010,101011,101110,
 101111,110001,110010,110011,110101,110110,110111,
 111001,111010,111011,111101,111110,111111,1000100]