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A090174 as a triangular array

1
11
010
1111
11111
001100
1001001
11111111
011111110
1111111111
11011111011
000011110000
1000111110001
11000011000011

A090174 as a square array

11011011011011
1111001111001
011101110000
11111111000
1001111110
001111110
11111111
1111111
010010
11000
1000
000
11
1
11011011011011
1111001111001
011101110000
11111111000
1001111110
001111110
11111111
1111111
010010
11000
1000
000
11
1