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A038248 as a triangular array

1
56
256036
125450540216
6253000540043201296
3125187504500054000324007776
1562511250033750054000048600023328046656
7812565625023625004725000567000040824001632960279936

A038248 as a square array

152512562531251562578125
660450300018750112500656250
365405400450003375002362500
2164320540005400004725000
1296324004860005670000
77762332804082400
466561632960
279936
152512562531251562578125
660450300018750112500656250
365405400450003375002362500
2164320540005400004725000
1296324004860005670000
77762332804082400
466561632960
279936