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 A162577 #3 Mar 31 2012 12:38:25 %S A162577 2,37,43,73,101,457,1201,2221,4241,6673,49993,65827,131437,262469, %T A162577 262897,1181017,2098249,4195273,4195777,4720273,8389237,8393929, %U A162577 8652433,16778089,16909969,33555289,33556681,33621649,67110601 %N A162577 Primes of the form (x+y)^2+2^x+2^y, with x and y nonnegative. %Y A162577 Cf. A162573, A162574, A162575, A162576 %K A162577 nonn %O A162577 1,1 %A A162577 _Vladimir Joseph Stephan Orlovsky_, Jul 06 2009 %E A162577 Corrected by _Charles R Greathouse IV_, Nov 11 2009