A354534 Even terms in A354525 that are not twice the Mersenne primes (A000668).

2, 1022, 295147905179352825854, 348449143727040986586495598010130648530942

Offset: 1

Author

Jianing Song, Aug 16 2022

Keywords

• nonn
• hard

Comments

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

Examples

			See A354532.
		

Crossrefs

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

Programs

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

Formula

a(n) = 2*(2^A354532(n) - 1) = 2*A354537(n).