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A131110 as a triangular array

1
31
631
10651
15101551
2115351571
282170352871
362812670842891
4536210126210844591
554533021046221016545111

A131110 as a square array

13610152128364555
136101521283645
15153570126210330
15153570126210
172884210462
172884210
1945165
1945
111
1
13610152128364555
136101521283645
15153570126210330
15153570126210
172884210462
172884210
1945165
1945
111
1