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A107983 as a triangular array

1
64
202010
50604520
1051401268435
19628028022414056
33650454048036021684
540840945900750540315120
82513201540154013751100770440165
1210198023762464231019801540

A107983 as a square array

1620501051963365408251210
4206014028050484013201980
104512628054094515402376
208422448090015402464
3514036075013752310
5621654011001980
843157701540
120440
165

A107983 as an upper right triangle

1620501051963365408251210
4206014028050484013201980
104512628054094515402376
208422448090015402464
3514036075013752310
5621654011001980
843157701540
120440
165

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Last modified June 14 05:51 EDT 2021. Contains 345018 sequences. (Running on oeis4.)