cp's OEIS Frontend

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.

A184706 Number of strings of numbers x(i=1..6) in 0..n with sum i*x(i) equal to n*6.

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%I A184706 #7 Jun 02 2025 03:51:05
%S A184706 4,21,74,207,476,985,1842,3226,5325,8414,12766,18789,26860,37525,
%T A184706 51301,68893,90956,118400,152035,192973,242223,301121,370866,453070,
%U A184706 549139,660950,790169,938961,1109233,1303498,1523921,1773345,2054255,2369845
%N A184706 Number of strings of numbers x(i=1..6) in 0..n with sum i*x(i) equal to n*6.
%C A184706 Row 6 of A184703
%H A184706 R. H. Hardin, <a href="/A184706/b184706.txt">Table of n, a(n) for n = 1..200</a>
%F A184706 Empirical: a(n)=3*a(n-2)+2*a(n-3)-3*a(n-4)-5*a(n-5)+3*a(n-7)+a(n-8)+a(n-9)+3*a(n-10)-5*a(n-12)-3*a(n-13)+2*a(n-14)+3*a(n-15)-a(n-17)
%e A184706 Some solutions for n=3
%e A184706 ..1....0....1....0....1....0....1....0....3....2....1....2....2....1....2....1
%e A184706 ..2....0....0....0....1....3....1....1....3....3....0....0....2....3....1....1
%e A184706 ..1....1....2....0....0....0....1....0....0....2....3....2....0....0....2....3
%e A184706 ..0....1....0....0....0....0....0....1....1....1....2....0....0....0....2....0
%e A184706 ..2....1....1....0....3....0....0....0....1....0....0....2....0....1....0....0
%e A184706 ..0....1....1....3....0....2....2....2....0....0....0....0....2....1....0....1
%K A184706 nonn
%O A184706 1,1
%A A184706 _R. H. Hardin_ Jan 20 2011