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A321668 as a triangular array

1
23
869
26362730
146126177120150
746966777960750840
5786516666575160663050405880
4106650526419375052041910504004116045360
403946368046450177368040450150367920449400362880408240
3669866435972637160974359720371607043596003715320435456036741603991680

A321668 as a square array

128261467465786410664039463669866
36361269665166505263680464359726
9271777776657419374501773716097
301209605160505203680404359720
1507506630419104501503716070
8405040504003679204359600
5880411604494003715320
453603628804354560
4082403674160
3991680
128261467465786410664039463669866
36361269665166505263680464359726
9271777776657419374501773716097
301209605160505203680404359720
1507506630419104501503716070
8405040504003679204359600
5880411604494003715320
453603628804354560
4082403674160
3991680