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 A035511 #15 Jun 01 2019 17:12:48 %S A035511 12,20,25,38,46,59,72,80,93,109,114,127,135,148,164,169,182,198,203, %T A035511 216,224,237,253,258,271,279,292,308,313,326,342,347,360,368,381,397, %U A035511 402,415,423,436,449,457,470,486,491,504,512,525,541,546,559,575,580,593 %N A035511 3rd column of Inverse Stolarsky array. %H A035511 C. Kimberling, <a href="http://faculty.evansville.edu/ck6/integer/intersp.html">Interspersions</a> %H A035511 C. Kimberling, <a href="https://doi.org/10.1090/S0002-9939-1993-1111434-0">Interspersions and dispersions</a>, Proceedings of the American Mathematical Society 117 (1993) 313-321. %H A035511 N. J. A. Sloane, <a href="/classic.html#WYTH">Classic Sequences</a> %F A035511 a(n) = (2*round(n*tau)+1) + 3*(floor((round(n*tau) + 1/2)*tau)+1) for n > 0 and a(0)=12, tau = (1+sqrt(5))/2. - C. Ronaldo (aga_new_ac(AT)hotmail.com), Jan 01 2005 %p A035511 tau:=(1+sqrt(5))/2: 12,seq((2*round(n*tau)+1)+3*floor((2*round(n*tau)+1)*tau/2)+3,n=1..69); # C. Ronaldo (aga_new_ac(AT)hotmail.com), Jan 01 2005 %Y A035511 Cf. A035507. %K A035511 nonn,easy %O A035511 0,1 %A A035511 _N. J. A. Sloane_ %E A035511 More terms from C. Ronaldo (aga_new_ac(AT)hotmail.com), Jan 01 2005