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 A269045 #32 Jul 22 2017 06:20:45 %S A269045 1,2,3,4,6,8,9,10,12,15,16,18,20,24,25,27,28,30,32,35,36,40,42,45,48, %T A269045 49,50,54,56,60,63,64,66,70,72,75,77,80,81,84,90,91,96,98,99,100,104, %U A269045 105,108,110,112,120,121,125,126,128,130,132,135,140,143,144 %N A269045 Indices k such that A006255(k) != A070229(k); that is, the k-th term of R. L. Graham's sequence is not equal to k + lpf(k). %H A269045 Peter Kagey, <a href="/A269045/b269045.txt">Table of n, a(n) for n = 1..2500</a> %Y A269045 Cf. A006255, A070229. %Y A269045 Complement of A255363. %K A269045 nonn %O A269045 1,2 %A A269045 _Peter Kagey_, Feb 22 2016