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 A084461 #9 Jul 29 2017 13:10:48 %S A084461 1,10,2,12,4,18,6,8,9,20,3,28,5,14,15,16,17,24,7,34,11,22,23,38,19,26, %T A084461 27,46,13,30,31,32,33,48,21,36,37,58,25,40,41,42,43,44,45,60,29,72,35, %U A084461 50,51,52,53,54,55,56,57,66,39,80,47,62,63,64,65,84,59,68,69,70,71,94 %N A084461 Permutation of Z, obtained by reflecting the juggling sequence A084458 from positive to negative numbers (with zero thrown at beat 0), folded to N with functions N2Z and Z2N. %C A084461 This permutation consists of three infinite cycles + infinite number of fixed points. %H A084461 A. Karttunen, <a href="/A084507/a084507.scm.txt">Scheme-program for computing this sequence</a> %H A084461 <a href="/index/Per#IntegerPermutation">Index entries for sequences that are permutations of the natural numbers</a> %p A084461 [seq(Z2N(A084461_Z2Z(N2Z(n))),n=1..45)]; %p A084461 N2Z := n -> ((-1)^n)*floor(n/2); %p A084461 Z2N := z -> 2*abs(z)+`if`((z < 1),1,0); %p A084461 A084461_Z2Z := z -> z+`if`((z > 0), A084458(z),`if`((z >= -3),2*(-z), A084458(A084460((-z)-3)))); %Y A084461 Inverse: A084462. Cf. also A084460, A084455, A084491, A084495, A084499, A065166. %K A084461 nonn %O A084461 1,2 %A A084461 _Antti Karttunen_, Jun 02 2003