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A268628 as a triangular array

3
99
244224
6017417460
1446661086666144
3362430630063002430336
76885863489055452348908586768
172829646187224467190467190187224296461728
3840100602982086381965460009783819654

A268628 as a square array

39246014433676817283840
9421746662430858629646100602
241741086630034890187224982086
606666300554524671903819654
1442430348904671906000978
33685861872243819654
76829646
1728
39246014433676817283840
9421746662430858629646100602
241741086630034890187224982086
606666300554524671903819654
1442430348904671906000978
33685861872243819654
76829646
1728