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 A175285 #2 Mar 30 2012 17:26:31 %S A175285 0,3,16,20,1105,1615,1940,2825,5681,6955,7885,10261,11850,13055,14953, %T A175285 26676,33631,34830,39406,40021,46566,62910,76330,79953,80828,90025, %U A175285 110828,112271,112996,116340,126116,153065,165126,175828,205030,218953 %N A175285 Numbers n with property that 42*n+37 is in A175284. %C A175285 Except of the first term in A175284, all terms == 37 mod 42. %Y A175285 Cf. A005471, A175281-4. %K A175285 nonn %O A175285 0,2 %A A175285 _Zak Seidov_, Mar 21 2010