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A070887 as a triangular array

1
11
111
1101
11111
110001
1110011
11010111
111111101
1100000111
11100001101
110100011111
1111100110001
11000101

A070887 as a square array

11111111111111
1111111111111
101010101010
11001100110
1000100010
111100001
11100000
1011111
11111
1010
110
10
1
11111111111111
1111111111111
101010101010
11001100110
1000100010
111100001
11100000
1011111
11111
1010
110
10
1