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A163338 as a triangular array

1
26
357
164848
171594749
181410465054
19131145515355
2024124440525660
212325434139575961
1422226304238705862426
14314127293137716963425427
144140

A163338 as a square array

123161718192021142143144
654151413242322141140
789101112252627
4847464544433029
49505140414231
545352393837
5556577071
60595869
616263
426425
427
123161718192021142143144
654151413242322141140
789101112252627
4847464544433029
49505140414231
545352393837
5556577071
60595869
616263
426425
427