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A371687 as a triangular array

1
43
808025
390453762660427
35456062668843344013171212465
5173350411173888099242880438049929021540555731
11070525440282580746243064730240017666508288550928664081633780835135945

A371687 as a square array

148039043545605173350411070525440
380537662668811173888028258074624
2526604334409924288030647302400
4271317124380499217666508288
1246590215405509286640
555731816337808
35135945
148039043545605173350411070525440
380537662668811173888028258074624
2526604334409924288030647302400
4271317124380499217666508288
1246590215405509286640
555731816337808
35135945