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 A184243 #9 Jun 02 2025 03:27:17 %S A184243 2,2,5,3,15,11,30,5,79,30,99,30,129,63,318,30,286,188,423,71,789,239, %T A184243 698,170,860,325,1624,184,1347,799,1566,219,2846,764,2300,519,2656, %U A184243 1045,4524,468,3630,1996,4138,622,6895,1789,5461,1157,5810,2192,10132,994,7632 %N A184243 Number of strings of numbers x(i=1..5) in 0..n with sum i^2*x(i)^2 equal to n^2*25. %C A184243 Row 5 of A184240 %H A184243 R. H. Hardin, <a href="/A184243/b184243.txt">Table of n, a(n) for n = 1..168</a> %e A184243 All solutions for n=5 %e A184243 ..0....4....0....1....5....5....0....0....5....0....4....0....5....3....1 %e A184243 ..0....4....0....2....4....5....0....0....5....0....5....0....5....3....4 %e A184243 ..5....3....0....4....2....4....4....3....2....0....1....5....0....2....4 %e A184243 ..5....2....0....2....5....4....4....3....2....5....5....0....5....3....1 %e A184243 ..0....4....5....4....2....2....3....4....4....3....2....4....2....4....4 %K A184243 nonn %O A184243 1,1 %A A184243 _R. H. Hardin_ Jan 10 2011