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A063415 as a triangular array

1
11
221
4531
1214941
4251321451
178214137602061
87010496682951002771
48305820371316365551543581
2997636125230361016034469522244491
20557224773415799369664

A063415 as a square array

11241242178870483029976205572
12514512141049582036125247734
13932137668371323036157993
14146029516361016069664
15201005553446
1627154952
1735224
1844
19
1
11241242178870483029976205572
12514512141049582036125247734
13932137668371323036157993
14146029516361016069664
15201005553446
1627154952
1735224
1844
19
1