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A090971 as a triangular array

1
01
111
0001
10011
010101
1111111
00000001
100000011
0100000101
11100001111
000100010001
1001100110011
01010101010101

A090971 as a square array

10101010101010
1100110011001
100010001000
11110000111
1010000010
110000001
10000000
1111111
101010
11001
1000
111
10
1
10101010101010
1100110011001
100010001000
11110000111
1010000010
110000001
10000000
1111111
101010
11001
1000
111
10
1