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 A184236 #7 Jun 02 2025 03:26:39 %S A184236 1,1,1,2,15,24,213,356,2531,9710,46519,244683,891784,4720805,16462599, %T A184236 78516038,276022161,1161269082,4197268616,15926278724,58682897472, %U A184236 207708273846,766346150693,2617679503224,9515642240343,32088717865889 %N A184236 Number of strings of numbers x(i=1..n) in 0..5 with sum i^2*x(i)^2 equal to n^2*25. %C A184236 Column 5 of A184240 %H A184236 R. H. Hardin, <a href="/A184236/b184236.txt">Table of n, a(n) for n = 1..33</a> %e A184236 Some solutions for n=7 %e A184236 ..2....4....0....0....0....2....2....1....1....0....4....2....4....4....4....1 %e A184236 ..1....1....0....2....4....2....3....3....1....1....1....5....5....5....2....2 %e A184236 ..2....4....4....3....4....3....4....4....0....0....0....4....5....5....1....0 %e A184236 ..2....1....2....4....2....1....1....1....5....4....4....5....0....3....5....0 %e A184236 ..2....3....0....2....1....0....4....2....0....5....0....2....2....4....0....2 %e A184236 ..4....1....4....4....2....3....4....2....1....2....5....1....0....2....0....3 %e A184236 ..3....4....3....2....4....4....1....4....4....2....1....3....4....2....4....4 %K A184236 nonn %O A184236 1,4 %A A184236 _R. H. Hardin_ Jan 10 2011