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A237951 as a triangular array

256
14601460
8291122188291
5026810239610239650268
3039969456881268436945688303996
18431528557942176120241761202485579421843152
11184876783379642359517503865134302359517507833796411184876

A237951 as a square array

2561460829150268303996184315211184876
146012218102396945688855794278337964
8291102396126843617612024235951750
5026894568817612024386513430
3039968557942235951750
184315278337964
11184876
2561460829150268303996184315211184876
146012218102396945688855794278337964
8291102396126843617612024235951750
5026894568817612024386513430
3039968557942235951750
184315278337964
11184876