A354534 - OEIS

%I #17 Aug 17 2022 10:15:34

%S 2,1022,295147905179352825854,

%T 348449143727040986586495598010130648530942

%N Even terms in A354525 that are not twice the Mersenne primes (A000668).

%C Terms in A354533 that are not twice the Mersenne primes. Note that all twice the Mersenne primes are in A354533.

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

%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*(2^n-1), ", "))) \\ See A354532 for the function isA354532

%Y Cf. A006530, A354525, A354532, A354533, A354537.

%K nonn,hard,more

%O 1,1

%A _Jianing Song_, Aug 16 2022