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 A116691 #10 Aug 05 2016 13:09:47 %S A116691 0,2,7,1,1,2,4,26,1,4,1,7,2,2,1,1,6,1,3,1,8,1,7,6,1,1,1,22,3,18,2,1, %T A116691 24,11,1,2,1,5,7,1,2,1,3,20,1,1,5,2,70,1,1,2,2,1,1,1,1,2,5,1,2,1,1,6, %U A116691 2,153,1,2,1,10,13,4,1,4,1,3,1,1,3,2,2,6,3,1,4,1,7,1,1,6,1,1,14,2,1,2,2,2,2,2 %N A116691 Continued fraction expansion of concatenation of semiprimes (A001358). %C A116691 This is the semiprime analog of A030168: continued fraction expansion of Copeland-Erdős constant (concatenated primes). Decimal expansion of real number formed from concatenation of first 101 digits of A001358, to first 50 terms of continued fraction expansion: 0.469101415212225... = 0 + 1/2+ 1/7+ 1/1+ 1/1+ 1/2+ 1/4+ 1/26+ 1/1+ 1/4+ 1/1+... It seems likely that the real number itself is transcendental. %Y A116691 Cf. A033308 Decimal expansion of Copeland-Erdős constant: concatenate primes. %K A116691 cofr,nonn,base %O A116691 0,2 %A A116691 _Jonathan Vos Post_, Mar 15 2006 %E A116691 Extended and edited by _Charles R Greathouse IV_, Apr 25 2010