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A172171 as a triangular array

1
110
11119
1123028
113425837
114551009546
1156915519514155
1168422435033619664
11710030857468653226073
1181174088821260121879233382

A172171 as a square array

1111111111
101112131415161718
193042556984100117
2858100155224308408
3795195350574882
461413366861260
551965321218
64260792
73333
82
1111111111
101112131415161718
193042556984100117
2858100155224308408
3795195350574882
461413366861260
551965321218
64260792
73333
82