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 A176183 #5 Aug 27 2013 12:04:36 %S A176183 13,21313,4131313,1213131313,81313131313,1131313131313, %T A176183 613131313131313,21313131313131313,8131313131313131313, %U A176183 113131313131313131313,171313131313131313131313,23131313131313131313131313 %N A176183 Smallest prime p = p(n) ending with exactly n strings "13". %C A176183 See references of A176096. %C A176183 List of prefixes: for 1st term p(1) = 13: ./., 2, 4, 12, 8, 1, 6, 2, 8, 1, 17, 23, 21, 8, 59, 87, 53, 46, 10, 8, 20, 73, 29, 20, 3, 2, 16, 33, 80, 2, ... %e A176183 n = 1: prime(6) = 13 is 1st term of sequence. %e A176183 n = 2: prime(2392) = 21313 is 2nd term of sequence. %e A176183 Note: 1st such palindromic prime (i.e. prefix 3): p(25) = 3(13)_25 = 313131313131313131313131313131313131313131313131313. %Y A176183 Cf. A065580, A065585, A176096, A176119. %K A176183 base,nonn %O A176183 1,1 %A A176183 Eva-Maria Zschorn (e-m.zschorn(AT)zaschendorf.km3.de), Apr 11 2010