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A087748 as a triangular array

1
01
011
0011
00101
000101
0001111
00001111
000010001
0000010001
00000110011
000000110011
0000001010101
00000001010101

A087748 as a square array

10000000000000
1100000000000
111000000000
10110000000
1011100000
111011000
11001110
1000101
100010
11001
1110
101
10
1
10000000000000
1100000000000
111000000000
10110000000
1011100000
111011000
11001110
1000101
100010
11001
1110
101
10
1