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A250140 as a triangular array

8
2714
646724
12520416241
21648563239168
34398618271959900111
51217994368690256962026180
729303291561944624125161044530289
1000480917424469147920081664452329975460
1331

A250140 as a square array

8276412521634351272910001331
1467204485986179930324809
2416263218274368915617424
41391195969021944646914
6890056962412579200
11120261610481664
180453045232
2899975
460
8276412521634351272910001331
1467204485986179930324809
2416263218274368915617424
41391195969021944646914
6890056962412579200
11120261610481664
180453045232
2899975
460