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A137268 as a triangular array

1
22
466
8182424
165496120120
32162384600720720
6448615363000432050405040
128145861441500025920352804032040320
25643742457675000155520246960322560362880362880

A137268 as a square array

1248163264128256
26185416248614584374
624963841536614424576
2412060030001500075000
120720432025920155520
720504035280246960
504040320322560
40320362880
362880
1248163264128256
26185416248614584374
624963841536614424576
2412060030001500075000
120720432025920155520
720504035280246960
504040320322560
40320362880
362880