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A228461 as a triangular array

2
34
497
5162211
625504617
736951309127
84916129531018344
96425258182173638372
10813721036184722271821819117
11100525171637035615625446731749189
1212171526856812

A228461 as a square array

23456789101112
49162536496481100121
7225095161252372525715
1146130295581103617162685
1791310821184737036812
2718373622275615
4438318216254
728194673
1171749
189
23456789101112
49162536496481100121
7225095161252372525715
1146130295581103617162685
1791310821184737036812
2718373622275615
4438318216254
728194673
1171749
189