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 A184312 #7 Sep 04 2022 15:15:27 %S A184312 1,1,1,1,2,2,6,30,69,230,662,2244,6197,20782,57963,185236,534294, %T A184312 1636436,4788888,14148505,41505698,119551191,347802192,984873101, %U A184312 2823972122,7899999963,22281193586,61710573450,171287868395,469925476292 %N A184312 Number of strings of numbers x(i=1..n) in 0..3 with sum i^2*x(i)^3 equal to n^2*27. %C A184312 Column 3 of A184318. %H A184312 R. H. Hardin, <a href="/A184312/b184312.txt">Table of n, a(n) for n = 1..40</a> %e A184312 All solutions for n=5 %e A184312 ..0....0 %e A184312 ..0....0 %e A184312 ..3....0 %e A184312 ..3....0 %e A184312 ..0....3 %Y A184312 Cf. A184318. %K A184312 nonn %O A184312 1,5 %A A184312 _R. H. Hardin_, Jan 10 2011