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 A285297 #10 Apr 21 2017 12:49:48 %S A285297 1,3,5,2,7,4,9,6,8,11,14,10,16,12,18,13,21,15,23,17,19,25,28,20,22,26, %T A285297 24,27,30,32,36,29,33,38,41,31,43,39,34,35,45,40,47,37,42,49,51,44,46, %U A285297 48,53,50,55,52,57,54,59,61,65,56,67,62,58,60,69,63,73 %N A285297 Inverse permutation to A285296. %H A285297 Rémy Sigrist, <a href="/A285297/b285297.txt">Table of n, a(n) for n = 1..2000</a> %H A285297 Rémy Sigrist, <a href="/A285297/a285297.gp.txt">PARI program for A285297</a> %H A285297 <a href="/index/Per#IntegerPermutation">Index entries for sequences that are permutations of the natural numbers</a> %e A285297 A285296(1) = 1, hence a(1) = 1. %e A285297 A285296(2) = 4, hence a(4) = 2. %e A285297 A285296(3) = 2, hence a(2) = 3. %e A285297 A285296(4) = 6, hence a(6) = 4. %e A285297 A285296(5) = 3, hence a(3) = 5. %e A285297 A285296(6) = 8, hence a(8) = 6. %e A285297 A285296(7) = 5, hence a(5) = 7. %e A285297 A285296(8) = 9, hence a(9) = 8. %e A285297 A285296(9) = 7, hence a(7) = 9. %Y A285297 Cf. A285296. %K A285297 nonn %O A285297 1,2 %A A285297 _Rémy Sigrist_, Apr 16 2017