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A264272 as a triangular array

4
109
254825
6525630564
169128037211800169
4426400406265062510933441
1156320004435561143000707281658561156
30261600004861800258064003372914698344963979703025
792180000053290000

A264272 as a square array

4102565169442115630267921
9482561280640032000160000800000
25305372140626443556486180053290000
64180050625114300025806400
1691093370728133729146
441658569834496
1156397970
3025

A264272 as an upper right triangle

4102565169442115630267921
9482561280640032000160000800000
25305372140626443556486180053290000
64180050625114300025806400
1691093370728133729146
441658569834496
1156397970
3025

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Last modified April 17 22:23 EDT 2024. Contains 371767 sequences. (Running on oeis4.)