A094477 Primes of form 2^n + 37^n.

2, 1373, 1874177, 23169162752708970943114627382699355445603465075569066753527132965271355336698663708393617779709970177

Offset: 1

Author

Labos Elemer, Jun 01 2004

Keywords

• nonn

Comments

The number n must be zero or a power of 2. Checked n being powers of two through 2^20. Thus a(5) > 10^3200000. Primes of this magnitude are rare (about 1 in 7.5 million), so chance of finding one is remote with today's computer algorithms and speeds. - Robert Price, Apr 29 2013

Crossrefs

Cf. A094473, A094474, A082101, A094476.

Extensions

No more terms for n < 1000, so the next term will be too large to include. - Hugo Pfoertner, Aug 17 2004