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A080269 as a simple table

na(n)
010
1111000
21111001000
3111100111110000000
41111001111110000001000
5111100111111000000111110000000
611110011111100000011111100110010000000
7111100111111000000111111001100111111111000000000000000

[10,111000,1111001000,111100111110000000,
 1111001111110000001000,
 111100111111000000111110000000,
 11110011111100000011111100110010000000,
 11110011111100000011111100110011111111100000000000\
 0000]