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A375600 as a triangular array

1
15
2834
62282314
248429610523784
120408139247681640856792
7202400801626832900323029121022320
504016560544801794725920801956304647473621468848
40320131040426240138768045219841475011248162944157438304515252608

A375600 as a square array

112624120720504040320
582284408240016560131040
34822961392801654480426240
31410524768268321794721387680
378416408900325920804521984
56792302912195630414750112
1022320647473648162944
21468848157438304
515252608
112624120720504040320
582284408240016560131040
34822961392801654480426240
31410524768268321794721387680
378416408900325920804521984
56792302912195630414750112
1022320647473648162944
21468848157438304
515252608