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A099509 as a triangular array

1
11
121
1332
14671
15101663
16153019161
1721504551104
1828779012645301
1936112161266141126155
1104515626650435739390501
111552104148827841016357

A099509 as a square array

111111111111
1234567891011
13610152128364555
2716305077112156210
16194590161266414
31651126266504882
11045141357784
4301263931016
11590357
550
1
111111111111
1234567891011
13610152128364555
2716305077112156210
16194590161266414
31651126266504882
11045141357784
4301263931016
11590357
550
1