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A356601 as a triangular array

1
21
631
12341
20302051
3030101561
4235701051471
5672803556781
7225256630504287291
901801056301264204545101
1104953311551386115516599110111

A356601 as a square array

12612203042567290110
1333030357252180495
142010702805610533
1515105356306301155
1614565041261386
177284201155
187245165
194599
110110
111
1
12612203042567290110
1333030357252180495
142010702805610533
1515105356306301155
1614565041261386
177284201155
187245165
194599
110110
111
1