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 A378120 #14 Nov 18 2024 18:27:52 %S A378120 0,1,3,6,6,11,17,24,24,33,33,44,44,57,57,72,72,89,107,126,126,147,147, %T A378120 147,171,171,197,197,225,225,255,255,287,320,354,354,390,390,390,429, %U A378120 429,470,470,513,513,558,558,605,605,654,654,705,705,758,758,813,813 %N A378120 a(n) = (A000217(n) + A005132(n))/2. %C A378120 a(n) is the sum of the up steps in the first n terms of Recaman's sequence A005132. %H A378120 <a href="/index/Rea#Recaman">Index entries for sequences related to Recamán's sequence</a> %F A378120 a(n) = A005132(n) + A377748(n). %Y A378120 Cf. A000217, A005132, A377748. %K A378120 nonn %O A378120 0,3 %A A378120 _Paul Curtz_, Nov 17 2024