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A013628 as a triangular array

1
45
164025
64240300125
256128024002000625
102464001600020000125003125
409630720960001600001500007500015625
1638414336053760011200001400000105000043750078125
65536

A013628 as a square array

141664256102440961638465536
5402401280640030720143360
2530024001600096000537600
1252000200001600001120000
625125001500001400000
3125750001050000
15625437500
78125
141664256102440961638465536
5402401280640030720143360
2530024001600096000537600
1252000200001600001120000
625125001500001400000
3125750001050000
15625437500
78125