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A278798 as a triangular array

0
00
4444
651713171365
4563434814520834348456
2128468496719685271968524684962128
77284888659263134490103846265826313449048886597728
23607416984467804657491118098679534118098679534

A278798 as a square array

004654562128772823607
044171334348468496488865941698446
4171314520871968522631344907804657491
653434871968521038462658118098679534
456468496263134490118098679534
21284888659
7728

A278798 as an upper right triangle

004654562128772823607
044171334348468496488865941698446
4171314520871968522631344907804657491
653434871968521038462658118098679534
456468496263134490118098679534
21284888659
7728

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Last modified December 7 19:20 EST 2021. Contains 349585 sequences. (Running on oeis4.)