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A252961 as a triangular array

60
119140
223120297
603155185711
12512492593371543
34653853694435963461
749565160567487111867637
209771069985102712421681227916689
46641175714291551174722012999416535609

A252961 as a square array

601192236031251346574952097746641
14012015524938565110691757
2971852593696059851429
71133744367410271551
154359687112421747
3461118616812201
763722792999
166894165
35609

A252961 as an upper right triangle

601192236031251346574952097746641
14012015524938565110691757
2971852593696059851429
71133744367410271551
154359687112421747
3461118616812201
763722792999
166894165
35609

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Last modified January 19 05:41 EST 2022. Contains 350464 sequences. (Running on oeis4.)