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 A175540 #3 Mar 30 2012 17:38:11 %S A175540 1,3,5,8,10,13,15,18,22,24,28,31,33,36,40,44,46,50,53,55,59,62,66,71, %T A175540 74,76,79,81,84,92,95,99,101,107,109,113,117,120,124,128,130,136,138, %U A175540 141,143,150,157,160,162,165,169,171,177,181,185,189,191,195,198,200,206 %N A175540 a(n) = A067076(n) + n. %C A175540 Suggested by the definition of A177018. The first 23 values match with A080370, as do 48 of the first 60 values. Is this a coincidence? %Y A175540 Cf. A067076, A177018 A080370 %K A175540 easy,nonn %O A175540 1,2 %A A175540 _Marc LeBrun_, Jun 18 2010