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A215745 as a triangular array

1
11
111
1111
12121
258852
215227822152
55236412501250364525
5203147429084242362908414742035
1587740612908408485136048513609084084061287715
15414021178436224616

A215745 as a square array

1111122551515
1112515522038774140
111822364147440612211784
1287812502908490840836224616
15221250242364851360
215364290844851360
2521474908408
520340612
5877
15

A215745 as an upper right triangle

1111122551515
1112515522038774140
111822364147440612211784
1287812502908490840836224616
15221250242364851360
215364290844851360
2521474908408
520340612
5877
15

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Last modified August 4 08:30 EDT 2021. Contains 346445 sequences. (Running on oeis4.)