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A306172 as a triangular array

1
22
353
5995
82113218
135330305313
2110566936610521
3423712324924912323734
5557725254483254425257755
8912055351372195619561372535120589
14426811074341154215277

A306172 as a square array

123581321345589144
259215310523757712052681
391330661232525351074
521309324954413723411
8536624983219565421
1310512354419565277
212372521372
34577535
551205
89
123581321345589144
259215310523757712052681
391330661232525351074
521309324954413723411
8536624983219565421
1310512354419565277
212372521372
34577535
551205
89