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A273342 as a triangular array

1
11
221
5431
1310741
3527181151
977550301661
27521314386472271
794616416253140702981
2327180812277544242181003791
6905537236612269129568132713846101
207051612711030688539782133105647518556111

A273342 as a square array

11251335972757942327690520705
1241027752136161808537216127
13718501434161227366111030
1411308625375422696885
15164714042412953978
1622702186812133
17291003271056
1837138475
1946185
11056
111
1
11251335972757942327690520705
1241027752136161808537216127
13718501434161227366111030
1411308625375422696885
15164714042412953978
1622702186812133
17291003271056
1837138475
1946185
11056
111
1