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A191438 as a triangular array

1
23
475
916126
213828148
509167331910
12021916179452411
289528388190108572613
6971274936458260137623115
1682307522591105627330149743617
406074235453

A191438 as a square array

1249215012028969716824060
37163891219528127430757423
512286716138893622595453
61433791904581105
81945108260627
102457137330
112662149
133174
1536
17
1249215012028969716824060
37163891219528127430757423
512286716138893622595453
61433791904581105
81945108260627
102457137330
112662149
133174
1536
17