Quintuple factorial numbers: Product_{k=0..n-1} (5*k+3).

A047056

Quintuple factorial numbers: Product_{k=0..n-1} (5*k+3).

Terms

    a(0) =1a(1) =3a(2) =24a(3) =312a(4) =5616a(5) =129168a(6) =3616704a(7) =119351232a(8) =4535346816a(9) =195019913088

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