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A234943 as a triangular array

1
23
373
4101311
512192217
61524323425
7193041495134
822365164727044
924426079941009455
10274871

A234943 as a square array

12345678910
3710121519222427
313192430364248
11223241516071
1734496479
25517294
3470100
4494
55
12345678910
3710121519222427
313192430364248
11223241516071
1734496479
25517294
3470100
4494
55