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A339228 as a triangular array

1
23
52219
15146321195
48970411659722791
16766014824512577813523551303
602460125465702281528423841536099661152019
225632818861183203843797210981544515761241311100632930564075

A339228 as a square array

12515481676022256
322146970660146012328188
193214116482455465706118320
1955972125778228152838437972
27911352354238415109815445
513033609966157612413
1152019111006329
30564075
12515481676022256
322146970660146012328188
193214116482455465706118320
1955972125778228152838437972
27911352354238415109815445
513033609966157612413
1152019111006329
30564075