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 A231073 #6 Nov 04 2013 03:11:29 %S A231073 23,29,31,37,41,43,47,53,59,61,67,71,73,79,83,89,97,101,103,107,109, %T A231073 113,211,307,311,313,317,401,409,419,503,509,601,607,613,617,619,701, %U A231073 709,719,809,811,907,911,919,1009,1013,1019,1103,1109,1117,1201,1213,1217,1301,1303,1307,1319,1409 %N A231073 Primes whose English name has a prime number of words. %C A231073 Sequence A163648 is the analog considering syllables in the English name of p. %H A231073 <a href="/index/El#English">Index to OEIS: Sequences related to English words for the numbers</a> %o A231073 (PARI) forprime(p=1,1500,isprime(A231072(p))&&print1(p",")) %Y A231073 Cf. A231072, A163648. %K A231073 nonn,word %O A231073 1,1 %A A231073 _M. F. Hasler_, Nov 03 2013