Largest prime factor of A020549(n) = (n!)^2 + 1.

A301346

Largest prime factor of A020549(n) = (n!)^2 + 1.

Terms

    a(0) =2a(1) =2a(2) =5a(3) =37a(4) =577a(5) =14401a(6) =39877a(7) =251501a(8) =95629553a(9) =131681894401

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