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A046607 as a triangular array

1
11
151
1551
15551
155551
1555551
15111151
155111551
1555115551
15555155551
155555555551
1511115111151
15511155111551

A046607 as a square array

11111111111111
1555555555555
155551555515
15551155511
1551115511
151111511
15555555
1555515
155511
15511
1511
155
15
1

A046607 as an upper right triangle

11111111111111
1555555555555
155551555515
15551155511
1551115511
151111511
15555555
1555515
155511
15511
1511
155
15
1

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Last modified April 25 04:42 EDT 2024. Contains 371964 sequences. (Running on oeis4.)