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 A214322 #10 Jul 13 2013 12:04:28 %S A214322 1,1,1,2,3,4,6,6,6,6,4,5,7,9,14,21,12,18,12,8,11,15,17,28,43,60,88,65, %T A214322 125,47,112,137,184,296,174,358,216,390,244,460,180,280,185,73,143, %U A214322 180,253,396,216,259,295,301,560,375,376,456,132,420,162,98,154,76,87,109,147,234,187,334,412,393,727,933,1326,1169,2102,2544,2441,4543,5815,8256,12799 %N A214322 a(n) = A214551(n-1) + A214551(n-3), with a(0) = a(1) = a(2) = 1. %C A214322 A214551(n) = A214322(n)/A214323(n). %H A214322 Reinhard Zumkeller, <a href="/A214322/b214322.txt">Table of n, a(n) for n = 0..10000</a> %o A214322 (Haskell) %o A214322 a214322 n = a214322_list !! n %o A214322 a214322_list = 1 : 1 : 1 : zipWith (+) a214551_list (drop 2 a214551_list) %o A214322 -- _Reinhard Zumkeller_, Jul 24 2012 %Y A214322 Cf. A214551, A214323. %K A214322 nonn %O A214322 0,4 %A A214322 _N. J. A. Sloane_, Jul 23 2012