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%I #4 Apr 21 2012 19:08:53
%S 1,46,1202,23596,388512,5684153,76514893,969656615,11756827378,
%T 138019379660,1583273543771,17878159956894,199924036853766,
%U 2225369295171276,24765622932118451,276618063019689289
%N Number of nonnegative integer arrays of length n+8 with new values 0 upwards introduced in order, no three adjacent elements equal, and containing the value 8
%C Column 7 of A211836
%H R. H. Hardin, <a href="/A211835/b211835.txt">Table of n, a(n) for n = 1..210</a>
%e Some solutions for n=3
%e ..0....0....0....0....0....0....0....0....0....0....0....0....0....0....0....0
%e ..1....0....1....1....1....1....1....1....1....1....1....1....1....1....1....1
%e ..2....1....2....1....1....2....2....2....2....2....0....2....2....2....2....2
%e ..3....2....3....2....2....3....3....3....3....3....2....3....3....3....3....3
%e ..4....3....1....3....3....4....4....4....4....4....3....4....3....4....4....0
%e ..1....4....4....4....4....2....5....5....5....5....4....5....4....5....5....2
%e ..5....2....5....5....5....5....6....0....6....6....5....6....5....6....0....4
%e ..6....5....6....6....6....6....0....6....4....7....5....7....2....1....6....5
%e ..7....6....7....7....7....7....7....4....4....6....6....4....6....0....7....6
%e ..8....7....8....8....2....8....3....7....7....3....7....4....7....7....8....7
%e ..3....8....5....6....8....1....8....8....8....8....8....8....8....8....1....8
%K nonn
%O 1,2
%A _R. H. Hardin_ Apr 21 2012