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Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.

A085209 as a triangular array

0
11
101110
1110111011
1001111010111100
1011001111010111100101
1101011100101111101001101110
1111101101101001111100101011110111
100011111101010111100100111011011011111000
1001

A085209 as a square array

01101110010111011110001001
1111011111001101111011111
1011010101110100101011011010
11111101111111001110111
10011001010011100100100
10111011010111101
110111010110
1111111
1000
01101110010111011110001001
1111011111001101111011111
1011010101110100101011011010
11111101111111001110111
10011001010011100100100
10111011010111101
110111010110
1111111
1000