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A038246 as a triangular array

1
54
254016
12530024064
625200024001280256
312512500200001600064001024
156257500015000016000096000307204096
7812543750010500001400000112000053760014336016384
390625

A038246 as a square array

152512562531251562578125390625
44030020001250075000437500
162402400200001500001050000
641280160001600001400000
2566400960001120000
102430720537600
4096143360
16384
152512562531251562578125390625
44030020001250075000437500
162402400200001500001050000
641280160001600001400000
2566400960001120000
102430720537600
4096143360
16384