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 A138132 #6 Mar 30 2012 17:33:54 %S A138132 471,3570,28674,28743,13077233344 %N A138132 Indices among the primes of the primes in A054356, The Five Hysterical Girls Theorem. %C A138132 Subset of A138126. %C A138132 Note that all members, in base 10, contain the digit 7 and do not contains the digit 9. %C A138132 All members of A054356 (The Five Hysterical Girls Theorem) are prime numbers. %e A138132 A000040(471) ....... = 3343 %e A138132 A000040(3570) ...... = 33343 %e A138132 A000040(28674) ..... = 333433 %e A138132 A000040(28743) ..... = 334333 %e A138132 A000040(13077233344) = 333333433343 %Y A138132 Cf. A000040, A020461, A054356, A138126. %K A138132 easy,nonn,less %O A138132 1,1 %A A138132 _Omar E. Pol_, Mar 25 2008