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A233989 as a triangular array

56
236236
9761540976
4064963296324064
1688062040923206204016880
7017639339691400091400039339670176
291648252060489504961431991689504962520604291648
12122241604242088388464218943540

A233989 as a square array

56236976406416880701762916481212224
2361540963262040393396252060416042420
976963292320914000895049688388464
40646204091400014319916218943540
168803933968950496
701762520604
291648
56236976406416880701762916481212224
2361540963262040393396252060416042420
976963292320914000895049688388464
40646204091400014319916218943540
168803933968950496
701762520604
291648