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 A232236 #6 Nov 21 2013 15:21:57 %S A232236 29,47,563,9161,137999,2149403,2358401,3526331,41776109,43250849, %T A232236 46347803,51607709,53819819,55540349,59866253,62176679,539082821, %U A232236 545571083,546947381,625199753,627165893,629525261,650169731,654102011,680644901,687526391,688509461,690082373 %N A232236 Primes that can be written in binary representation as concatenation of two primes: p and p+2. That is, primes representable as p * 2^L + p+2, where p and p+2 are primes, and L is the length of binary representation of p+2: L = A070939(p+2). %C A232236 A subsequence of A232085. %F A232236 a(n) = A232238(n) * 2^A070939(A232238(n)+2) + A232238(n)+2. %Y A232236 Cf. A000040, A070939, A232085. %K A232236 nonn,base,less %O A232236 1,1 %A A232236 _Alex Ratushnyak_, Nov 20 2013