A130745 - OEIS

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A130745

Least k such that k*6*(M(n)^500)-1 is prime where M(i)= i-th Mersenne prime.

%I #3 Mar 31 2012 13:22:05

%S 55,142,1945,570,220,7124,2329,7054,10005,447,14505,4322

%N Least k such that k*6*(M(n)^500)-1 is prime where M(i)= i-th Mersenne prime.

%C All primes certified using PFGW from Primeform group

%e 55*6*(3^500)-1 is prime 3=2^2-1=first Mersenne prime, 55 is k(1)

%Y Cf. Mersenne primes.

%K nonn

%O 1,1

%A _Pierre CAMI_, Jul 12 2007