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 A075527 #7 Jan 27 2022 22:08:57 %S A075527 2,3,4,6,6,6,6,6,10,8,8,10,6,6,10,12,8,8,10,6,8,10,10,14,12,6,6,6,6, %T A075527 18,18,10,8,12,12,8,12,10,10,12,8,12,12,6,6,14,24,16,6,6,10,8,12,16, %U A075527 12,12,8,8,10,6,12,24,18,6,6,18,20,16,12,6,10,14,14,12,10,10,14,12,12,18,12 %N A075527 a(n) = A008578(n+3) - A008578(n+1). %C A075527 For n>0: a(n) = A031131(n) and a(n) - a(n-1) = A075526(n). %Y A075527 Cf. A000040, A076272, A076273. %Y A075527 Cf. A008578, A031131, A075526. %K A075527 nonn %O A075527 0,1 %A A075527 _Reinhard Zumkeller_, Sep 22 2002 %E A075527 Correction for change of offset in A158611 and A008578 in Aug 2009 _Jaroslav Krizek_, Jan 27 2010