Primes of the form k!5+1, where k!5 is the quintuple factorial number (A085157).

A288718

Primes of the form k!5+1, where k!5 is the quintuple factorial number (A085157).

Terms

    a(0) =2a(1) =3a(2) =5a(3) =7a(4) =37a(5) =67a(6) =313a(7) =751a(8) =2857a(9) =129169a(10) =576577a(11) =17873857a(12) =54286849a(13) =393750001a(14) =643458817

External references