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 A186426 #8 May 31 2019 17:18:07 %S A186426 1,0,1,0,1,1,1,2,3,4,6,10,15,23,36,57,90,142,225,358,571,912,1458, %T A186426 2334,3742,6006,9648,15510,24951,40164,64689,104241,168048,271015, %U A186426 437221,705571,1138934,1838916,2969746,4796900,7749561,12521629,20235080,32704173,52862781,85455587,138156111,223375201,361186480,584058718,944511360,1527499074,2470446924,3995662918,6462775233,10453566628,16909223601,27352387053,44246403940,71576559073 %N A186426 Antidiagonal sums of A177517. %C A186426 a(n+1)/a(n) tends to the golden ratio. Grows more slowly than the Fibonacci sequence. More complicated than the Fibonacci sequence. %C A186426 a(n)=First differences of A186425. %Y A186426 Cf. A001622, A177517, A186425. %K A186426 nonn %O A186426 1,8 %A A186426 _Mats Granvik_, Feb 21 2011