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A154948 as a triangular array

1
11
231
2651
3101471
315302691
421557042111
4289115513862131
53614030136324286151
545204532819743390114171
655285876165219251375590146191

A154948 as a square array

11223344556
13610152128364555
1514305591140204285
172670155301532876
19421383638191652
111622427431925
113863901375
115114590
117146
119
1
11223344556
13610152128364555
1514305591140204285
172670155301532876
19421383638191652
111622427431925
113863901375
115114590
117146
119
1