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 A330918 #30 May 02 2020 15:40:15
%S A330918 0,0,1,1,1,2,2,2,3,4,5,5,4,4,4,5,5,6,7,8,8,8,8,7,7,6,7,7,8,8,9,9,10,
%T A330918 11,12,13,14,15,16,16,16,16,14,13,12,12,11,12,12,13,13,14,14,15,15,16,
%U A330918 16,17,17,18,18,19,18,18,18,19,20,21,22,23,24,25,26,27,28,29,30,29,28,26
%N A330918 Number of k such that A005132(k) > n for 0 <= k <= n.
%H A330918 Seiichi Manyama, <a href="/A330918/b330918.txt">Table of n, a(n) for n = 0..10000</a>
%H A330918 <a href="/index/Rea#Recaman">Index entries for sequences related to Recamán's sequence</a>
%e A330918 {A005132(n)} = {0, 1, 3, 6, ...}.
%e A330918 0 <= 2, 1 <= 2 and 3 > 2. So a(2) = 1.
%e A330918 0 <= 3, 1 <= 3, 3 <= 3 and 6 > 3 So a(3) = 1.
%Y A330918 Cf. A005132.
%K A330918 nonn,look
%O A330918 0,6
%A A330918 _Seiichi Manyama_, May 02 2020