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 A211559 #7 Jun 02 2025 07:47:30
%S A211559 1,22,295,3145,29503,256565,2134122,17337685,139635380,1127444190,
%T A211559 9204978242,76496257502,650255333547,5673699543152,50929138898237,
%U A211559 470895301126099,4486844907734841,44052656933795691,445462140383086124
%N A211559 Number of nonnegative integer arrays of length n+5 with new values 0 upwards introduced in order, and containing the value 5.
%C A211559 Column 6 of A211561
%H A211559 R. H. Hardin, <a href="/A211559/b211559.txt">Table of n, a(n) for n = 1..210</a>
%F A211559 Empirical: a(n) = sum{j in 6..n+5}stirling2(n+5,j)
%e A211559 Some solutions for n=5
%e A211559 ..0....0....0....0....0....0....0....0....0....0....0....0....0....0....0....0
%e A211559 ..1....1....1....1....1....1....1....1....0....0....1....1....1....1....1....0
%e A211559 ..2....2....2....2....0....2....2....2....1....0....2....0....0....2....2....1
%e A211559 ..3....3....1....1....2....3....3....1....2....1....3....0....2....3....2....2
%e A211559 ..4....4....3....3....1....3....4....3....3....2....4....2....3....4....0....3
%e A211559 ..3....3....4....4....2....4....0....1....4....3....0....3....0....5....2....0
%e A211559 ..2....2....5....5....3....5....5....4....5....4....0....2....3....0....3....4
%e A211559 ..3....5....4....4....4....1....2....2....2....1....5....4....4....4....4....5
%e A211559 ..5....5....2....3....2....6....5....2....6....3....3....5....5....6....5....4
%e A211559 ..4....5....4....4....5....6....1....5....2....5....3....2....2....4....0....2
%K A211559 nonn
%O A211559 1,2
%A A211559 _R. H. Hardin_ Apr 15 2012