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A232521 Number of (6+1)X(n+1) 0..2 arrays with every element next to itself plus and minus one within the range 0..2 horizontally, diagonally or antidiagonally, with no adjacent elements equal 1

%I

%S 52,11900,4416,1110752,399122,105188684,38988416,9962578834,

%T 3778921534,943473527702,366611360006,89351184548884,35541201208134,

%U 8461935007869746,3443798169301412,801382290095806940,333518031672301528

%N Number of (6+1)X(n+1) 0..2 arrays with every element next to itself plus and minus one within the range 0..2 horizontally, diagonally or antidiagonally, with no adjacent elements equal

%C Row 6 of A232515

%H R. H. Hardin, <a href="/A232521/b232521.txt">Table of n, a(n) for n = 1..210</a>

%H R. H. Hardin, <a href="/A232521/a232521.txt">Empirical recurrence of order 90</a>

%F Empirical recurrence of order 90 (see link above)

%e Some solutions for n=3

%e ..1..0..1..2....0..1..2..1....1..2..1..2....0..1..2..1....1..0..1..0

%e ..1..2..1..2....2..1..0..1....1..0..1..0....2..1..0..1....1..2..1..2

%e ..1..2..1..0....2..1..2..1....1..2..1..0....2..1..0..1....1..2..1..0

%e ..1..0..1..0....0..1..0..1....1..2..1..2....2..1..2..1....1..0..1..2

%e ..1..2..1..2....2..1..2..1....1..0..1..0....2..1..2..1....1..0..1..2

%e ..1..0..1..0....0..1..0..1....1..0..1..2....0..1..0..1....1..2..1..0

%e ..1..2..1..0....2..1..2..1....1..2..1..0....2..1..2..1....1..0..1..2

%K nonn

%O 1,1

%A _R. H. Hardin_, Nov 25 2013

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Last modified September 24 03:26 EDT 2021. Contains 347623 sequences. (Running on oeis4.)