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 A209282 #13 Jan 28 2013 12:39:51 %S A209282 161,288,1,70,90,470,89,1,70,1,89,470,90,70,1,288,161,288,1,70,90,470, %T A209282 89,1,70,1,89,470,90,70,1,288,161,288,1,70,90,470,89,1,70,1,89,470,90, %U A209282 70,1,288,161,288,1,70,90,470,89,1,70,1,89,470,90,70,1,288 %N A209282 a(n) is difference of indices of terms = 9 in A187824. %C A209282 The repeat cycle contains 17 numbers which have 6 Fibonacci numbers symmetrically distributed as below. %C A209282 1 F(1), F(2) %C A209282 89 F(11) %C A209282 470 %C A209282 90 %C A209282 70 %C A209282 1 F(1), F(2) %C A209282 288 %C A209282 161 %C A209282 110 %C A209282 161 %C A209282 288 %C A209282 1 F(1), F(2) %C A209282 70 %C A209282 90 %C A209282 470 %C A209282 89 F(11) %C A209282 1 F(1), F(2) %e A209282 For A187824(m(i)) = 9: %e A209282 m(1) = 55, m(2) = 216, m(3) = 504, %e A209282 ... %e A209282 a(1) = 216 - 55 = 161, a(2) = 504 - 216 = 288, %e A209282 ... %Y A209282 Cf. A187824, A192129. %K A209282 nonn,less %O A209282 1,1 %A A209282 _Kival Ngaokrajang_, Jan 16 2013