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A264257 as a triangular array

4
109
293325
8915718064
26011241920760169
772546823805148933653441
228132361254393397462147797164011156
67411816442896729787718474679251273553763303025
19940100527932417000

A264257 as a square array

41029892607722281674119940
93315711245468323611816441005279
25180192023805254393289672932417000
64760148933974627877184
16936531477977467925
441164011273553
115676330
3025

A264257 as an upper right triangle

41029892607722281674119940
93315711245468323611816441005279
25180192023805254393289672932417000
64760148933974627877184
16936531477977467925
441164011273553
115676330
3025

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Last modified May 21 19:35 EDT 2024. Contains 372738 sequences. (Running on oeis4.)