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A199535 as a triangular array

1
24
376
511910
818151712
132924271914
21473944312316
3476637150372520
551231021158160413322
891991651861319766533526
14432226730121215710786574328

A199535 as a square array

123581321345589144
471118294776123199322
6915243963102165267
1017274471115186301
1219315081131212
1423376097157
16254166107
20335386
223557
2643
28
123581321345589144
471118294776123199322
6915243963102165267
1017274471115186301
1219315081131212
1423376097157
16254166107
20335386
223557
2643
28