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A273167 as a triangular array

1
11
311
51531
357711
63105154551
23199495553331
429300310011001919171
64357151001273455351511
12155218791989464110717655115391
4618920995629854845484596948452859551

A273167 as a square array

1135356323142964351215546189
111571059930037152187920995
1371549510011001198962985
114555100127346414845
15339145510714845
139135765969
1715514845
11153285
1995
15
1
1135356323142964351215546189
111571059930037152187920995
1371549510011001198962985
114555100127346414845
15339145510714845
139135765969
1715514845
11153285
1995
15
1