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 A269740 #16 Mar 17 2016 06:18:03 %S A269740 1,5,10,25,3,7,12,73,35,4,9,16,78,43,13,17,80,54,47,15,19,88,62,48,22, %T A269740 93,69,92,31,24,95,81,98,63,125,83,115,67,283,127,102,122,138,296,107, %U A269740 140,147,320,100,6,20,33,129,116,8,23,37,133,126,26,38,136,128 %N A269740 Index where A054683(n) appears in A270264. %C A269740 Conjectured to be a permutation of the positive numbers excluding 2. %C A269740 This conjecture is equivalent to Polignac's conjecture. - _Chai Wah Wu_, Mar 15 2016 %H A269740 Chai Wah Wu, <a href="/A269740/b269740.txt">Table of n, a(n) for n = 1..10000</a> %Y A269740 Cf. A054683, A270264. %K A269740 nonn,base %O A269740 1,2 %A A269740 _N. J. A. Sloane_, Mar 15 2016 %E A269740 More terms from _Chai Wah Wu_, Mar 16 2016