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 A031122 #12 Oct 19 2017 03:13:45 %S A031122 17,48,72,122,305,323,329,842,1292,1353,2208,2255,5473,5777,5796, %T A031122 15005,15128,15456,23184,24447,39602,98209,103683,103729,104005, %U A031122 105937,166408,271442,416020,439128,709805,710648,726103,1762289 %N A031122 Integers that appear as ratios of Fibonacci numbers F(kn)/F(k), but omitting Fibonacci numbers F(n)/F(1) and Lucas numbers F(2n)/F(n). %H A031122 T. D. Noe, <a href="/A031122/b031122.txt">Table of n, a(n) for n=1..1000</a> %o A031122 (PARI) a031122(mk,mn,x) = local(v,vv,j,i); v=[]; for(k=3,mk, for(n=3,mn,v=concat(v,[fibonacci(k*n)/fibonacci(k)]))); v=vecsort(v); vv=[v[1]]; for(j=2,matsize(v)[2], if(v[j-1]<v[j]&&v[j]<x,vv=concat(vv,[v[j]]))); i=1; vv; a031122(150,50,610000000) \\ _Klaus Brockhaus_, Oct 20 2001 %Y A031122 Cf. A031121. %K A031122 nonn,easy %O A031122 1,1 %A A031122 _Dan Hoey_ %E A031122 Corrected and extended by _Don Reble_, Oct 20 2001