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A211846 Number of nonnegative integer arrays of length n+11 with new values 0 upwards introduced in order, no three adjacent elements all unequal, and containing the value 6.

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%I A211846 #6 Jun 02 2025 07:49:44
%S A211846 1,13,113,785,4755,26163,134164,651814,3035018,13657458,59769854,
%T A211846 255628486,1072565093,4428689165,18041493575,72667375995,289905733805,
%U A211846 1147339718965,4510476836460,17634066423470,68632042506612
%N A211846 Number of nonnegative integer arrays of length n+11 with new values 0 upwards introduced in order, no three adjacent elements all unequal, and containing the value 6.
%C A211846 Column 5 of A211849
%H A211846 R. H. Hardin, <a href="/A211846/b211846.txt">Table of n, a(n) for n = 1..210</a>
%e A211846 Some solutions for n=3
%e A211846 ..0....0....0....0....0....0....0....0....0....0....0....0....0....0....0....0
%e A211846 ..1....1....1....1....1....1....1....1....1....1....1....1....0....1....1....0
%e A211846 ..1....1....1....1....1....1....1....1....1....1....1....1....1....0....1....1
%e A211846 ..2....2....2....2....2....2....2....2....2....2....2....2....1....0....2....1
%e A211846 ..2....1....2....2....2....2....2....2....2....2....2....2....2....2....2....2
%e A211846 ..3....1....3....3....3....3....3....2....1....3....3....3....2....2....3....2
%e A211846 ..3....3....3....3....3....3....2....3....1....3....3....3....2....3....3....3
%e A211846 ..4....3....4....4....4....4....2....3....3....4....2....3....3....3....3....2
%e A211846 ..4....4....3....4....4....4....4....3....3....4....2....4....3....4....4....2
%e A211846 ..5....4....3....5....5....3....4....4....4....4....4....4....4....4....4....4
%e A211846 ..5....4....5....5....4....3....4....4....4....5....4....5....4....5....5....4
%e A211846 ..6....5....5....6....4....5....5....5....5....5....5....4....5....5....5....5
%e A211846 ..6....5....5....5....4....5....5....5....5....6....5....4....5....6....6....5
%e A211846 ..3....6....6....6....6....6....6....6....6....6....6....6....6....5....5....6
%K A211846 nonn
%O A211846 1,2
%A A211846 _R. H. Hardin_ Apr 22 2012

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