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A263288 as a triangular array

0
420
5041560
696039044820
1130281126282416015120
14280363593982139098814851046100
21015946931366788642294017053263913084141400
282937866276218780143985426842075294247209176183

A263288 as a square array

0425046960113028142803621015946282937866
015639041126283593982931366782762187801
0482241601390988864229404398542684
01512148510170532632075294247
04610913084209176183
014140
0

A263288 as an upper right triangle

0425046960113028142803621015946282937866
015639041126283593982931366782762187801
0482241601390988864229404398542684
01512148510170532632075294247
04610913084209176183
014140
0

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Last modified April 19 19:02 EDT 2024. Contains 371798 sequences. (Running on oeis4.)