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A204087 as a triangular array

1
11
121
1331
12621
15101051
11510511
1773535771
12141470141421
13642424242631
11364242426311
111113366462462663311111

A204087 as a square array

111111111111
123251723111
1361057146311
121010351442633
1553570424266
117144242462
17144242462
126666
13333
1111
111
1

A204087 as an upper right triangle

111111111111
123251723111
1361057146311
121010351442633
1553570424266
117144242462
17144242462
126666
13333
1111
111
1

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Last modified April 23 02:41 EDT 2024. Contains 371906 sequences. (Running on oeis4.)