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A239303 as a triangular array

1
31
615
69110
121811710
12183313420
2436661653420
24366612911306840
487213225812571306840
4872132258513151426013680

A239303 as a square array

1366121224244848
119181836367272
511336666132132
101711129258258
10346511513
20341302571
2068130514
4068260
40136
80
1366121224244848
119181836367272
511336666132132
101711129258258
10346511513
20341302571
2068130514
4068260
40136
80