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 A277006 #13 Oct 08 2016 17:01:28 %S A277006 1,2,3,5,6,7,10,15,11,14,21,35,30,13,22,33,55,42,77,70,105,17,26,39, %T A277006 65,66,91,110,165,143,154,231,385,210,19,34,51,85,78,119,130,195,187, %U A277006 182,273,455,330,221,286,429,715,462,1001,770,1155,23,38,57,95,102,133,170,255,209,238,357,595,390,247,374,561,935,546,1309,910,1365,323 %N A277006 a(n) = A005940(1+A003714(n)); permutation of squarefree numbers. %C A277006 Permutation of A005117 (squarefree numbers). %H A277006 Antti Karttunen, <a href="/A277006/b277006.txt">Table of n, a(n) for n = 0..10946</a> %F A277006 a(n) = A005940(1+A003714(n)). %F A277006 Other identities. %F A277006 For n >= 0, A048675(a(n)) = A087808(A003714(n)) = A048679(n). %F A277006 For n >= 1, a(A000045(n+1)) = A000040(n). %o A277006 (Scheme) (define (A277006 n) (A005940 (+ 1 (A003714 n)))) %Y A277006 Cf. A000040, A000045, A003714, A005117, A005940, A048675, A048679, A087808. %Y A277006 Cf. also A019565, A277010, A277196. %K A277006 nonn %O A277006 0,2 %A A277006 _Antti Karttunen_, Oct 07 2016