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A222866 as a triangular array

1
12
1126
1868424
18401110480120
1116421662091203240720
122789230084618564082320252005040
1628580668108044299624214200081648022176040320
12435930401992392701172052006089076026157600

A222866 as a square array

111111111
21286840116422278926285806243593040
6841110166203008466810804199239270
2448091201856404299624117205200
120324082320214200060890760
7202520081648026157600
5040221760
40320
111111111
21286840116422278926285806243593040
6841110166203008466810804199239270
2448091201856404299624117205200
120324082320214200060890760
7202520081648026157600
5040221760
40320