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A196328 Number of nX7 0..4 arrays with each element x equal to the number its horizontal and vertical neighbors equal to 1,3,0,4,2 for x=0,1,2,3,4 1
13, 209, 1596, 15029, 140502, 1281418, 11937347, 110090749, 1017881679, 9413849312, 87009516622, 804446182456, 7437062770474, 68754061673931, 635629034112919, 5876322569573781, 54326047570786412, 502239418434390677 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Every 0 is next to 0 1's, every 1 is next to 1 3's, every 2 is next to 2 0's, every 3 is next to 3 4's, every 4 is next to 4 2's

Column 7 of A196329

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..200

EXAMPLE

Some solutions for n=4

..0..2..0..2..2..0..2....0..0..0..2..2..0..2....0..0..0..0..0..2..0

..2..2..0..0..0..0..0....2..2..2..0..0..0..0....0..0..0..0..2..2..0

..0..0..0..0..0..0..0....0..0..2..2..2..2..2....0..0..0..2..2..0..0

..0..2..2..0..2..2..0....2..0..0..0..0..0..0....0..0..0..2..0..0..2

CROSSREFS

Sequence in context: A319115 A145270 A296671 * A340431 A251093 A132542

Adjacent sequences:  A196325 A196326 A196327 * A196329 A196330 A196331

KEYWORD

nonn

AUTHOR

R. H. Hardin Oct 01 2011

STATUS

approved

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Last modified May 21 09:30 EDT 2022. Contains 353908 sequences. (Running on oeis4.)