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A154631 as a triangular array

9
1217
152229
18273645
2132435465
243750637689
2742577287102117
3047648198115132149
33527190109128147166185
36577899120141162183204225
396285108131154

A154631 as a square array

912151821242730333639
17222732374247525762
293643505764717885
45546372819099108
65768798109120131
89102115128141154
117132147162
149166183
185204
225
912151821242730333639
17222732374247525762
293643505764717885
45546372819099108
65768798109120131
89102115128141154
117132147162
149166183
185204
225