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A294686 as a triangular array

0
06
026020720
651121223136257706024
4881876677695525427858003644900438149488
260122339637317537001168105847267238403264917970196131160169581733489616
1200178150202074389380002570217454576416337254712783763934244605327485216258509866606467585568566200114362823920
510625770601211681057249536576229125971686224

A294686 as a square array

00064826012005106
6260511281876122339617815020257706012
20720122313667769552373175370020743893800011681057249536
25770602454278580036116810584726722570217454576416576229125971686224
449004381494883840326491797019633725471278376393424
131160169581733489616460532748521625850986660
6467585568566200114362823920
00064826012005106
6260511281876122339617815020257706012
20720122313667769552373175370020743893800011681057249536
25770602454278580036116810584726722570217454576416576229125971686224
449004381494883840326491797019633725471278376393424
131160169581733489616460532748521625850986660
6467585568566200114362823920