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A180397 as a triangular array

1
20
610
241500
1202762000
720714020241500
504025884028084010626600
403201269828061949040821457042504100
3628808128310402132464488011104365420190578024134596000
3628800

A180397 as a square array

126241207205040403203628803628800
0115276714025884012698280812831040
002020242808406194904021324644880
001510626821457011104365420
00642504190578024
001134596
000
00
0
126241207205040403203628803628800
0115276714025884012698280812831040
002020242808406194904021324644880
001510626821457011104365420
00642504190578024
001134596
000
00
0