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A143499 as a triangular array

1
81
72181
720270301
79203960660441
9504059400132001320601
1235520926640257400343202340781
17297280151351205045040840840764403822981
259459200259459200100900800201801602293200

A143499 as a square array

1872720792095040123552017297280259459200
11827039605940092664015135120259459200
130660132002574005045040100900800
14413203432084084020180160
1602340764402293200
1783822
198
1
1872720792095040123552017297280259459200
11827039605940092664015135120259459200
130660132002574005045040100900800
14413203432084084020180160
1602340764402293200
1783822
198
1