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A212833 Number of 0..n arrays of length n+1 with 0 never adjacent to n 1

%I

%S 2,17,178,2309,35954,654797,13667858,321839625,8441614754,

%T 244108628489,7716226532642,264711412437133,9795540525116306,

%U 388938430069794373,16494335589910579186,744110964577292267537,35582626582915655239234

%N Number of 0..n arrays of length n+1 with 0 never adjacent to n

%C Diagonal of A212835

%H R. H. Hardin, <a href="/A212833/b212833.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=5

%e ..0....4....1....1....5....4....3....4....5....3....3....3....0....4....5....2

%e ..0....1....1....2....1....3....3....0....2....5....3....2....1....3....1....4

%e ..1....1....1....1....1....5....5....2....5....3....2....0....3....1....2....2

%e ..3....0....5....3....3....3....1....1....2....5....5....3....4....0....0....5

%e ..4....4....2....2....0....3....2....1....5....2....2....0....3....1....4....3

%e ..1....3....0....4....3....4....5....2....1....1....4....1....3....2....2....1

%K nonn

%O 1,1

%A _R. H. Hardin_ May 28 2012

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Last modified November 15 11:18 EST 2019. Contains 329144 sequences. (Running on oeis4.)