login
The OEIS is supported by the many generous donors to the OEIS Foundation.

 

Logo
Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A218819 Unmatched value maps: number of nX4 binary arrays indicating the locations of corresponding elements not equal to any king-move neighbor in a random 0..2 nX4 array 1

%I #4 Nov 06 2012 18:06:27

%S 7,108,1028,8961,80692,720305,6449353,57696032,516297052,4619740712,

%T 41337798409,369890905178,3309794955133,29616122507437,

%U 265005821287188,2371278692119396,21218261329031222,189861534294482599

%N Unmatched value maps: number of nX4 binary arrays indicating the locations of corresponding elements not equal to any king-move neighbor in a random 0..2 nX4 array

%C Column 4 of A218823

%H R. H. Hardin, <a href="/A218819/b218819.txt">Table of n, a(n) for n = 1..41</a>

%F Empirical: a(n) = 13*a(n-1) -30*a(n-2) -97*a(n-3) +386*a(n-4) -89*a(n-5) -794*a(n-6) +557*a(n-7) +352*a(n-8) -279*a(n-9) -56*a(n-10) +40*a(n-11) +7*a(n-12) -3*a(n-13) for n>14

%e Some solutions for n=3

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_ Nov 06 2012

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recents
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified April 18 09:47 EDT 2024. Contains 371779 sequences. (Running on oeis4.)