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A038018 as a triangular array

1
01
343
9781485729138
5663083275503872377559048390656700688
8138022352506501017252851596875

A038018 as a square array

10397856630832813802235250650
141485755038721017252851596875
372937755904
1388390656
700688
10397856630832813802235250650
141485755038721017252851596875
372937755904
1388390656
700688