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 A295164 #6 Nov 21 2017 19:37:23
%S A295164 0,1,2,1,2,3,4,4,2,3,4,4,5,6,7,7,8,8,9,9,10,11,12,12,9,10,10,10,11,11,
%T A295164 12,12,13,14,15,15,16,17,18,18,19,20,21,21,21,22,23,23,18,18,19,19,20,
%U A295164 20,21,21,22,23,24,24,25,26,26,26,27,28,29,29,30,30,31,31,32,33,33,33,34,35,36,36,36,37,38,38,39,40,41,41,42,42,43,43,44,45,46,46,47,47,47,47
%N A295164 Number of squarefree numbers m <= n that have a prime divisor greater than sqrt(n) (i.e., A006530(m) > sqrt(n)).
%F A295164 a(n) = Sum_{prime p > sqrt(n)} A013928(floor(n/p)+1).
%F A295164 a(n) = A013928(n+1) - A295101(n).
%Y A295164 Cf. A241419.
%K A295164 nonn
%O A295164 1,3
%A A295164 _Max Alekseyev_, Nov 16 2017