Smallest number k such that M(n)^2+k*M(n)+1 is prime with M(n)= Mersenne primes =A000668(n).

A139427

Smallest number k such that M(n)^2+k*M(n)+1 is prime with M(n)= Mersenne primes =A000668(n).

Terms

    a(0) =1a(1) =3a(2) =5a(3) =17a(4) =17a(5) =5a(6) =83a(7) =63a(8) =71a(9) =101a(10) =543a(11) =59a(12) =569a(13) =1029a(14) =353a(15) =1851a(16) =2801a(17) =2619a(18) =525a(19) =2907a(20) =8955a(21) =437a(22) =30159a(23) =5409a(24) =8355

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