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A254609 as a triangular array

1
11
111
1111
11111
155551
1155511
11155111
111151111
1111111111
15555155551
115551155511
1115511155

A254609 as a square array

1111111111111
111151111511
11155111551
1155511555
155551555
11111111
1111511
111551
11555
1555
11
1

A254609 as an upper right triangle

1111111111111
111151111511
11155111551
1155511555
155551555
11111111
1111511
111551
11555
1555
11
1

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Last modified April 18 06:24 EDT 2024. Contains 371769 sequences. (Running on oeis4.)