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A080319 as a simple table

na(n)
010
1111000
211111110000000
31111111110000110000000
411111111100001111111111000000000000000
51111111110000111111111111000000000000110000000

[10,111000,11111110000000,1111111110000110000000,
 11111111100001111111111000000000000000,
 1111111110000111111111111000000000000110000000]