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 A025447 #15 Jan 09 2023 07:41:01 %S A025447 1,1,1,1,0,0,0,0,1,1,1,0,0,0,0,0,1,1,0,0,0,0,0,0,1,0,0,1,1,1,0,0,0,0, %T A025447 0,1,1,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,1,1,0,0,0,0,0,0,1,0,1,1,1,0, %U A025447 0,0,0,0,1,1,0,0,0,0,0,0,1,1,0,0,0,0,0,0,0,0,0,1,1,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0 %N A025447 Number of partitions of n into 3 nonnegative cubes. %H A025447 Charles R Greathouse IV, <a href="/A025447/b025447.txt">Table of n, a(n) for n = 0..10000</a> %o A025447 (PARI) a(n)=sum(a=0,sqrtnint(n,3), sum(b=0,a, my(C=n-a^3-b^3,c); ispower(C,3,&c) && 0 <= c && c <= b)) \\ _Charles R Greathouse IV_, Jun 26 2013 %o A025447 (PARI) a(n)=sum(a=0,sqrtnint(n,3), my(a3=a^3,c); sum(b=0,min(a,sqrtnint(n-a3,3)), ispower(n-a3-b^3,3,&c) && c <= b)) \\ _Charles R Greathouse IV_, Sep 16 2016 %K A025447 nonn %O A025447 0,217 %A A025447 _David W. Wilson_