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 A183958 #7 Jun 02 2025 03:23:37 %S A183958 2,10,61,219,656,1613,3539,7099,13225,23247,38938,62599,97177,146396, %T A183958 214841,308110,432893,597226,810560,1083958,1430179,1864028,2402453, %U A183958 3064671,3872421,4850307,6025900,7429899,9096446,11063531,13373040 %N A183958 Number of strings of numbers x(i=1..7) in 0..n with sum i^2*x(i) equal to n*49. %C A183958 Row 7 of A183953 %H A183958 R. H. Hardin, <a href="/A183958/b183958.txt">Table of n, a(n) for n = 1..200</a> %e A183958 Some solutions for n=3 %e A183958 ..3....0....1....3....0....0....2....0....3....1....2....1....2....2....3....3 %e A183958 ..0....2....1....1....3....0....2....2....0....1....2....2....3....3....3....0 %e A183958 ..3....1....0....3....3....0....3....2....1....2....0....3....3....1....1....2 %e A183958 ..2....2....2....1....0....0....0....0....0....0....1....0....2....1....3....1 %e A183958 ..0....0....1....1....0....0....1....0....2....3....0....3....1....0....3....1 %e A183958 ..1....0....1....2....3....0....1....2....1....0....2....1....0....3....0....1 %e A183958 ..1....2....1....0....0....3....1....1....1....1....1....0....1....0....0....1 %K A183958 nonn %O A183958 1,1 %A A183958 _R. H. Hardin_ Jan 08 2011