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Numbers k that are Mersenne primes (A000668) such that 2*k is in A354525.
3

%I #15 Aug 17 2022 10:15:12

%S 1,511,147573952589676412927,

%T 174224571863520493293247799005065324265471

%N Numbers k that are Mersenne primes (A000668) such that 2*k is in A354525.

%C Terms in A354536 that are Mersenne primes. Note that all Mersenne primes are in A354536.

%F By definition, equals A354536 \ A000668.

%F a(n) = 2^A354532(n) - 1 = A354534(n)/2.

%e See A354532.

%o (PARI) lista(nn,{lim=256},{lim_p=1<<32}) = for(n=1, nn, if(isA354532(n,lim,lim_p), print1(2^n-1, ", "))) \\ See A354532 for the function isA354532

%Y Cf. A354525, A000668, A354532, A354534, A354536.

%K nonn,hard,more

%O 1,2

%A _Jianing Song_, Aug 17 2022