A177026 Primes of the form 4^k*(2^k-1)+1.
5, 449, 144114913197948929, 5070602400617769700807459995649, 11417981541647673977863886842678355104249151489
Offset: 1
Programs
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Magma
[a: n in [0..350]|IsPrime(a) where a is 8^n-4^n+1^n];
This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.
[a: n in [0..350]|IsPrime(a) where a is 8^n-4^n+1^n];
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