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.
%I A094477 #12 Oct 15 2013 22:32:24 %S A094477 2,1373,1874177, %T A094477 23169162752708970943114627382699355445603465075569066753527132965271355336698663708393617779709970177 %N A094477 Primes of form 2^n + 37^n. %C A094477 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 %Y A094477 Cf. A094473, A094474, A082101, A094476. %K A094477 nonn %O A094477 1,1 %A A094477 _Labos Elemer_, Jun 01 2004 %E A094477 No more terms for n < 1000, so the next term will be too large to include. - _Hugo Pfoertner_, Aug 17 2004