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A134388 as a triangular array

1
11
121
2321
36421
6108521
10201510621
2035302112721
357056422814821
7012611284563616921
1262522101681207245181021

A134388 as a square array

11123610203570126
123610203570126252
1248153056112210
12510214284168
126122856120
127143672
1281645
12918
1210
12
1
11123610203570126
123610203570126252
1248153056112210
12510214284168
126122856120
127143672
1281645
12918
1210
12
1