login

Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.

A284020 as a simple table

na(n)
01
11
211
3111
41111
511101
6111011
71111111
811111111
9111011111
101110111111
1111111110111
12111111101111
131110111011101
1411101110111011
15111111111111111
161111111111111111
1711101111111111111
18111011111111111111
191111111011111111111
2011111110111111111111

[1,1,11,111,1111,11101,111011,1111111,11111111,
 111011111,1110111111,11111110111,111111101111,
 1110111011101,11101110111011,111111111111111,
 1111111111111111,11101111111111111,
 111011111111111111,1111111011111111111,
 11111110111111111111]