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A154807 as a simple table

na(n)
111111
21111100000
3111110000011111
411111000001111100000
51111100000111110000011111
6111110000011111000001111100000
711111000001111100000111110000011111
81111100000111110000011111000001111100000
9111110000011111000001111100000111110000011111

[11111,1111100000,111110000011111,
 11111000001111100000,1111100000111110000011111,
 111110000011111000001111100000,
 11111000001111100000111110000011111,
 1111100000111110000011111000001111100000,
 111110000011111000001111100000111110000011111]