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 A244982 #10 Jul 22 2014 10:24:08 %S A244982 1,2,4,3,8,6,18,5,11,14,38,10,79,30,22,7,164,15,337,20,47,64,694,16, %T A244982 35,134,26,43,1419,32,2888,9,100,279,73,24,5850,575,208,34,11822,67, %U A244982 23836,92,56,1177,47975,19,112,50,428,193,96431,42,152,71,877,2395,193614,52 %N A244982 Permutation of natural numbers: a(n) = A243285(A122111(2*n)). %H A244982 <a href="/index/Per#IntegerPermutation">Index entries for sequences that are permutations of the natural numbers</a> %F A244982 a(n) = A243285(A122111(2*n)). %o A244982 (Scheme) (define (A244982 n) (A243285 (A122111 (* 2 n)))) %Y A244982 Inverse: A244981. %Y A244982 Cf. A122111, A243285, A244983-A244984, A243505-A243506, A243065-A243066. %K A244982 nonn %O A244982 1,2 %A A244982 _Antti Karttunen_, Jul 20 2014