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A213835 as a triangular array

1
75
22199
50463113
9590704317
161155130945521
2522452151701186725
3723643292752101427929
5255164764133352501669133
715705660588497395

A213835 as a square array

17225095161252372525715
5194690155245364516705
93170130215329476660
134394170275413588
1755118210335497
2167142250395
2579166
2991
33
17225095161252372525715
5194690155245364516705
93170130215329476660
134394170275413588
1755118210335497
2167142250395
2579166
2991
33