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A249251 as a triangular array

1
13
166
192112
112456024
1157817115648
11812037255838496
12117169014731656912192
12423111523225516046082112384
127300178562191308316584122404800768
130

A249251 as a square array

11111111111
36912151821242730
6214578120171231300
126017137269011521785
24156558147332256219
483841656516013083
96912460816584
192211212240
3844800
768
11111111111
36912151821242730
6214578120171231300
126017137269011521785
24156558147332256219
483841656516013083
96912460816584
192211212240
3844800
768