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A213503 as a triangular array

1
62
20113
5034164
1058048215
19616011062266
33628721514076317
54047637827017090368
825744616469325200104419
121011109487565603802301184610

A213503 as a square array

1620501051963365408251210
21134801602874767441110
31648110215378616948
42162140270469756
52676170325560
63190200380
736104230
841118
946
10
1620501051963365408251210
21134801602874767441110
31648110215378616948
42162140270469756
52676170325560
63190200380
736104230
841118
946
10