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A000012 as a triangular array

1
11
111
1111
11111
111111
1111111
11111111
111111111
1111111111
11111111111
111111111111
111111111111

A000012 as a square array

1111111111111
111111111111
11111111111
1111111111
111111111
11111111
1111111
111111
11111
1111
111
11

A000012 as an upper right triangle

1111111111111
111111111111
11111111111
1111111111
111111111
11111111
1111111
111111
11111
1111
111
11

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Last modified April 21 23:52 EDT 2021. Contains 343156 sequences. (Running on oeis4.)