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A391482 as a triangular array

1
01
242
21632416227
331776442368221184491524096
1000000000012500000000625000000015625000001953125009765625
734664038400000088159684608000004407984230400000117546246144000017631936921600014105549537280470184984576

A391482 as a square array

102216331776100000000007346640384000000
14324442368125000000008815968460800000
216222118462500000004407984230400000
274915215625000001175462461440000
4096195312500176319369216000
976562514105549537280
470184984576
102216331776100000000007346640384000000
14324442368125000000008815968460800000
216222118462500000004407984230400000
274915215625000001175462461440000
4096195312500176319369216000
976562514105549537280
470184984576