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A253615 as a triangular array

762
69168664
6163413137897232
551335195561925013651100582
492831529206325619835274804191012433311
4405376943859237915422795361985951362920906077140520343
393764260658661055938837441580

A253615 as a square array

762691661634551335492831544053769393764260
86641313781955619292063254385923796586610559
97232250136561983527154227953638837441580
1100582480419101985951362
12433311920906077
140520343
762691661634551335492831544053769393764260
86641313781955619292063254385923796586610559
97232250136561983527154227953638837441580
1100582480419101985951362
12433311920906077
140520343