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A071021 as a triangular array

1
66
303630
4218018042
3025290025230
661801260126018066
273039690017649003962730
61638039612601260396163806
5103681900277290027728190036510
7983060180114660396396114660

A071021 as a square array

163042306627306510798
63618025218039616380363060
30180900126090039681900180
422521260176412602772114660
301809001260900396
663963962772396
27301638081900114660
636
510
163042306627306510798
63618025218039616380363060
30180900126090039681900180
422521260176412602772114660
301809001260900396
663963962772396
27301638081900114660
636
510