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A157454 as a triangular array

1
11
131
1331
13531
135531
1357531
13577531
135797531
1357997531
135791197531

A157454 as a square array

11111111111
1333333333
135555555
13577777
1357999
1357911
13579
1357
135
13
1

A157454 as an upper right triangle

11111111111
1333333333
135555555
13577777
1357999
1357911
13579
1357
135
13
1

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Last modified April 23 18:16 EDT 2024. Contains 371916 sequences. (Running on oeis4.)