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A038240 as a triangular array

1
410
1680100
6448012001000
256256096001600010000
10241280064000160000200000100000
4096614403840001280000240000024000001000000
16384286720215040089600002240000033600000

A038240 as a square array

1416642561024409616384
108048025601280061440286720
10012009600640003840002150400
10001600016000012800008960000
10000200000240000022400000
100000240000033600000
1000000
1416642561024409616384
108048025601280061440286720
10012009600640003840002150400
10001600016000012800008960000
10000200000240000022400000
100000240000033600000
1000000