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A249631 as a triangular array

2
26
21224
22072120
234180480720
256428163236005040
28810425124156003024040320
213625121586061872159840282240362880
2208591250186236388773040176400029030403628800

A249631 as a square array

222222222
61220345688136208
2472180428104225125912
120480163251241586050186
72036001560061872236388
504030240159840773040
403202822401764000
3628802903040
3628800
222222222
61220345688136208
2472180428104225125912
120480163251241586050186
72036001560061872236388
504030240159840773040
403202822401764000
3628802903040
3628800