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A073146 as a triangular array

1
12
346
13162026
7588104124150
5416167048089321082
4683522458406544735282849366
4729351976572006304069584769368522094586
545835593128645104702304765344834928911864

A073146 as a square array

1131375541468347293545835
241688616522451976593128
620104704584057200645104
26124808654463040702304
150932735269584765344
1082828476936834928
936685220911864
94586
1131375541468347293545835
241688616522451976593128
620104704584057200645104
26124808654463040702304
150932735269584765344
1082828476936834928
936685220911864
94586