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A250261 as a triangular array

1
11
111
1112
11113
111214
1112515
111231616
11123116117
1112344027218
1112341999138519
1112345785897936110
111234529217319450521111

A250261 as a square array

1111111111111
111111111111
11111111111
2122222222
315333333
4116114444
5161401955
61272997829
711385589217
8179363194
9150521
101
11

A250261 as an upper right triangle

1111111111111
111111111111
11111111111
2122222222
315333333
4116114444
5161401955
61272997829
711385589217
8179363194
9150521
101
11

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Last modified May 10 05:09 EDT 2024. Contains 372356 sequences. (Running on oeis4.)