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A054521 as a triangular array

1
10
110
1010
11110
100010
1111110
10101010
110110110
1010001010
11111111110
100010100010
1111111111110
10

A054521 as a square array

11111111111111
0101010101010
01101101101
0101010101
011110111
01000101
0111111
010101
01101
0101
011
01
0

A054521 as an upper right triangle

11111111111111
0101010101010
01101101101
0101010101
011110111
01000101
0111111
010101
01101
0101
011
01
0

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Last modified February 22 06:12 EST 2019. Contains 320389 sequences. (Running on oeis4.)