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 A136187 #3 Mar 30 2012 17:24:41 %S A136187 3,5,7,11,13,17,31,71,73,107,113,313,701,727,739,757,797,941,1033, %T A136187 1153,1193,1453,1487,1619,1831,1879,1949,3019,3343,3389,3511,3527, %U A136187 3643,3803,3851,9001,9013,9173,9403,9439,9491,9497,9521,9533,9769,10151,10159 %N A136187 Primes whose decimal, binary and binary-decimal reversals are all prime. %e A136187 113 = 1110001 base 2, reverse the sequence of ones and zeros: 1000111 base 2 = 71. 113, 311, 71 and 17 are all prime. %Y A136187 Cf. A007500, A074832. %K A136187 base,nonn %O A136187 1,1 %A A136187 _Harry J. Smith_, Dec 19 2007