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A214661 as a triangular array

1
39
71525
13233549
2133476381
3145617999121
43597797119143169
577595117141167195225
7393115139165193223255289
91113137163191221253287323361
111135161189219251285321359399441

A214661 as a square array

13713213143577391111
915233345597593113135
253547617795115137161
49637997117139163189
8199119141165191219
121143167193221251
169195223253285
225255287321
289323359
361399
441
13713213143577391111
915233345597593113135
253547617795115137161
49637997117139163189
8199119141165191219
121143167193221251
169195223253285
225255287321
289323359
361399
441