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A177847 as a triangular array

1
11
242
660606
24201612096201624
12012096079833607983360120960120
72011404800124540416001494484992001245404160011404800720
504015567552003810936729600086889357434880008688935743488000

A177847 as a square array

1126241207205040
14602016120960114048001556755200
2601209679833601245404160038109367296000
6201679833601494484992008688935743488000
24120960124540416008688935743488000
12011404800
720
1126241207205040
14602016120960114048001556755200
2601209679833601245404160038109367296000
6201679833601494484992008688935743488000
24120960124540416008688935743488000
12011404800
720