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A221255 as a triangular array

0
10
240
48160
88130640
1639221161122560
322500222685808141810240
641411248860113194091612900156040960
12883521735642010348992978633756449034015822163840
256484128132273001

A221255 as a square array

01248163264128256
0488139225001411283521484128
016302116222684886017356420132273001
064112580811319409103489929
0256418161290078633756
01024156044903401
040965822
016384
0
01248163264128256
0488139225001411283521484128
016302116222684886017356420132273001
064112580811319409103489929
0256418161290078633756
01024156044903401
040965822
016384
0