Primes of the form n*x^n + (n-1)*x^(n-1) + . . . + x + 1 for x=4.

A088583

Primes of the form n*x^n + (n-1)*x^(n-1) + . . . + x + 1 for x=4.

Terms

    a(0) =5a(1) =37a(2) =229a(3) =6373a(4) =30949a(5) =145637a(6) =13514981a(7) =4891490533

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