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A087755 as a triangular array

1
11
011
0101
00101
001111
0001111
00010001
000010001
0000110011
00000110011
000001010101
0000001010101
00000011111111

A087755 as a square array

11000000000000
1110000000000
101100000000
10111000000
1110110000
110011100
10001011
1000101
110011
11101
1011
101
11
1
11000000000000
1110000000000
101100000000
10111000000
1110110000
110011100
10001011
1000101
110011
11101
1011
101
11
1