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A047887 as a triangular array

1
12
156
1142324
142103119120
1132513694719720
142927614582500350395040
11430157673332439429402704031940320
1486294359261808344837361302362815362879362880
116796

A047887 as a square array

1111111111
2514421324291430486216796
62310351327611576794359
24119694458233324261808
120719500339429344837
720503940270361302
504040319362815
40320362879
362880
1111111111
2514421324291430486216796
62310351327611576794359
24119694458233324261808
120719500339429344837
720503940270361302
504040319362815
40320362879
362880