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 A051259 #3 May 01 2014 02:49:07 %S A051259 7435,6205,93175555,101508825,354226959676926237175,111479225, %T A051259 4875225599199811387356000,23415180442039155, %U A051259 5354430843336297973830800,354222736706770131025,255273607757358738643290991867871250745195 %N A051259 Every 25th Fibocyclotomic number. %C A051259 All divisible by fib(5) = 5. %F A051259 a(n) = A051258(25n) %Y A051259 Cf. A051258. %K A051259 nonn %O A051259 1,1 %A A051259 _Antti Karttunen_, Oct 24 1999