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 A130973 #5 Feb 21 2017 10:28:23 %S A130973 1,1,2,1,4,3,4,2,1,3,1,2,3,10,4,7,4,3,2,1,2,18,2,2,17,1,2,6,9,3,1,1,1, %T A130973 8,3,2,15,1,4,1,1,7,7,4,4,3,4,1,1,7,2,5,1,5,18,2,5,4,3,1,5,1,18,12,2, %U A130973 8,1,4,2,5,4,1,1,1,9,10 %N A130973 Number of primes between successive pairs of twin primes, for a(n) > 0. %C A130973 a(k) corresponds to the k-th term in the isolated prime sequence A007510 or A134797. a(1) corresponds to 23. a(2) corresponds to 37. a(3) corresponds to 47 and 53. - _Enrique Navarrete_, Jan 28 2017 %C A130973 Lengths of the runs of consecutive integers in A176656. - _R. J. Mathar_, Feb 19 2017 %H A130973 C. K. Caldwell, <a href="http://primes.utm.edu">The Prime Pages</a>. %H A130973 Omar E. Pol, <a href="http://www.polprimos.com">Determinacion geometrica de los numeros primos y perfectos</a>. %Y A130973 Cf. A001223, A007510 (isolated primes), A027883, A048614, A048198, A052011, A052012, A061273, A076777, A073784, A082602, A088700, A179067 (clusters of twin primes). %K A130973 easy,nonn %O A130973 1,3 %A A130973 _Omar E. Pol_, Aug 23 2007