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A204211 Number of length n+1 nonnegative integer arrays starting and ending with 0 with adjacent elements differing by no more than 6 1

%I

%S 1,7,49,434,4116,41363,431445,4629851,50775347,566592411,6412416619,

%T 73428973184,849204106870,9904511238159,116368090860251,

%U 1375981128400665,16362074062371685,195540534817518299,2347344805869798781

%N Number of length n+1 nonnegative integer arrays starting and ending with 0 with adjacent elements differing by no more than 6

%C Column 6 of A204213

%H R. H. Hardin, <a href="/A204211/b204211.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=5

%e ..0....0....0....0....0....0....0....0....0....0....0....0....0....0....0....0

%e ..4....3....3....0....5....0....0....4....2....3....6....4....1....6....6....2

%e ..9....1....6....5....1....1....4....5....5....6...12....1....0....2....0....2

%e ..4....3...10....6....4....4....2....1....4....5...11....6....4....3....1....8

%e ..5....1....5....5....1....1....5....0....1....5....6....1....1....5....0....5

%e ..0....0....0....0....0....0....0....0....0....0....0....0....0....0....0....0

%K nonn

%O 1,2

%A _R. H. Hardin_ Jan 12 2012

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Last modified July 10 15:45 EDT 2020. Contains 335577 sequences. (Running on oeis4.)