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 A113824 #6 Oct 19 2017 03:14:59 %S A113824 1,3,7,23,151,65687,9007199254806679,73795983494093013143, %T A113824 205688069665150755269371147819668813122842057000180977011589271 %N A113824 a(1)=1; a(n+1) = the least prime greater than 2*a(n) which is a(n) plus a power of two. %C A113824 Next term 205688069665150755269371147819668813122842057000180977011589271 + 2^1752 is too large to include here. %C A113824 Those powers of two are A073924. %e A113824 151 is there because 23 + 2^7 = 151 is prime. %Y A113824 Cf. A073924, A080355, A080567, A099969, A099970, A099971, A099972. %K A113824 nonn %O A113824 1,2 %A A113824 _Artur Jasinski_, Jan 23 2006 %E A113824 Edited by _Don Reble_, Jan 25 2006