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A268750 as a triangular array

2
44
7117
13323213
23891438923
4124462362324441
7265926154110261565972
1261760108302633426334108301760126
219465744067165019255651165019440674657219
379122281774291016807

A268750 as a square array

24713234172126219379
41132892446591760465712228
73214362326151083044067177429
13896234110263341650191016807
23244261526334255651
4165910830165019
72176044067
1264657
219
24713234172126219379
41132892446591760465712228
73214362326151083044067177429
13896234110263341650191016807
23244261526334255651
4165910830165019
72176044067
1264657
219