login

A003953 as a simple table

na(n)
01
111
2110
31100
411000
5110000
61100000
711000000
8110000000
91100000000
1011000000000
11110000000000
121100000000000
1311000000000000
14110000000000000
151100000000000000
1611000000000000000

[1,11,110,1100,11000,110000,1100000,11000000,
 110000000,1100000000,11000000000,110000000000,
 1100000000000,11000000000000,110000000000000,
 1100000000000000,11000000000000000]