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 A022161 #12 Oct 24 2014 18:05:49 %S A022161 1,2,3,4,6,9,15,21,36,50,85,119,204,284,487,679,1166,1624,2790,3884, %T A022161 6673,9291,15964,22226,38190,53169,91359,127191,218549,304267,522816, %U A022161 727870,1250685,1741218,2991903,4165361,7157264,9964423,17121686 %N A022161 First row of spectral array W(e-1). %H A022161 A. Fraenkel and C. Kimberling, <a href="http://dx.doi.org/10.1016/0012-365X(94)90259-3">Generalized Wythoff arrays, shuffles and interspersions</a>, Discrete Mathematics 126 (1994) 137-149. %o A022161 (PARI) %o A022161 \\ The first row of the generalized Wythoff array W(h), %o A022161 \\ where h is an irrational number between 1 and 2. %o A022161 row1(h, m) = { %o A022161 my( %o A022161 a=vector(m, n, floor(n*h)), %o A022161 b=setminus(vector(m, n, n), a), %o A022161 w=[a[1]^2, b[a[1]]], %o A022161 j=3 %o A022161 ); %o A022161 while(1, %o A022161 if(j%2==1, %o A022161 if(w[j-1]<=#a, w=concat(w, a[w[j-1]]), return(w)) %o A022161 , %o A022161 if(w[j-2]<=#b, w=concat(w, b[w[j-2]]), return(w)) %o A022161 ); %o A022161 j++ %o A022161 ); %o A022161 w %o A022161 } %o A022161 allocatemem(10^9) %o A022161 row1(exp(1)-1, 10^7) \\ _Colin Barker_, Oct 24 2014 %K A022161 nonn %O A022161 0,2 %A A022161 _Clark Kimberling_ %E A022161 More terms from _Colin Barker_, Oct 24 2014