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A174919 as a triangular array

1
11
151
11011011
112971537712971
11345714400011440001134571
112816512091201711464996011209120171281651
111793979888711365856987141697856987141697988871136511793971
110705985

A174919 as a square array

111111111
15101129713457128165117939710705985
11011537714400011209120179888711365
1129714400011146499601856987141697
113457120912017856987141697
11281659888711365
11179397
1
111111111
15101129713457128165117939710705985
11011537714400011209120179888711365
1129714400011146499601856987141697
113457120912017856987141697
11281659888711365
11179397
1