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A256215 as a triangular array

1
22
6189
2414419264
120120030002500625
720108004320064800388807776
504010584061740014406001512630705894117649

A256215 as a square array

126241207205040
218144120010800105840
9192300043200617400
642500648001440600
625388801512630
7776705894
117649
126241207205040
218144120010800105840
9192300043200617400
642500648001440600
625388801512630
7776705894
117649