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 A219606 #7 Feb 16 2025 08:33:18 %S A219606 1,2,2,3,2,5,4,7,2,11,4,13,2,17,4,19,6,23,2,29,6,31,4,37,2,41,4,43,6, %T A219606 47,6,53,2,59,6,61,4,67,2,71,6,73,4,79,6,83,8,89,4,97,2,101,4,103,2, %U A219606 107,4,109,14,113,4,127,6,131,2,137,10,139,2,149,6 %N A219606 Prime gaps and primes interleaved. %H A219606 Reinhard Zumkeller, <a href="/A219606/b219606.txt">Table of n, a(n) for n = 1..10000</a> %H A219606 Eric Weisstein's World of Mathematics, <a href="https://mathworld.wolfram.com/PrimeGaps.html">Prime Gaps</a> %H A219606 Wikipedia, <a href="http://en.wikipedia.org/wiki/Prime_gap">Prime gap</a> %H A219606 <a href="/index/Pri#gaps">Index entries for primes, gaps between</a> %o A219606 (Haskell) %o A219606 import Data.List (transpose) %o A219606 a219606 n = a219606_list !! (n-1) %o A219606 a219606_list = concat $ transpose [a001223_list, a000040_list] %Y A219606 Cf. A134735. %K A219606 nonn %O A219606 1,2 %A A219606 _Reinhard Zumkeller_, Dec 12 2012