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 A184232 #7 Jun 02 2025 03:26:18 %S A184232 1,1,2,1,15,43,706,3719,85718,1186420,21953477,511276432,9623532968, %T A184232 260312395764 %N A184232 Number of strings of numbers x(i=1..n) in 0..n with sum i^2*x(i)^2 equal to n^4. %C A184232 Diagonal of A184240 %e A184232 All solutions for n=5 %e A184232 ..5....3....5....4....0....0....0....1....1....5....0....4....5....0....0 %e A184232 ..5....3....5....4....0....0....0....4....2....4....0....5....5....0....0 %e A184232 ..4....2....2....3....5....3....4....4....4....2....0....1....0....5....0 %e A184232 ..4....3....2....2....5....3....4....1....2....5....0....5....5....0....5 %e A184232 ..2....4....4....4....0....4....3....4....4....2....5....2....2....4....3 %K A184232 nonn %O A184232 1,3 %A A184232 _R. H. Hardin_ Jan 10 2011