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A196474 Number of nX5 0..4 arrays with each element x equal to the number its horizontal and vertical neighbors equal to 4,0,3,2,1 for x=0,1,2,3,4 1
8, 18, 17, 70, 151, 557, 2351, 6926, 16083, 43523, 126887, 366749, 1196290, 3904083, 12242778, 35866180, 101052064, 296050389, 899499517, 2807496039, 8933240984, 27433666911, 81672960692, 242780272113, 727008678986, 2224880992862 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

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

Column 5 of A196477

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..210

EXAMPLE

Some solutions for n=4

..0..1..1..0..0....0..1..1..1..0....0..0..1..1..0....0..1..1..0..0

..0..1..4..1..1....1..1..0..1..1....0..0..1..1..0....1..1..4..1..1

..0..1..1..1..1....1..1..0..1..1....0..0..1..1..1....1..0..1..4..1

..1..1..0..0..0....0..1..1..1..0....1..1..1..0..1....1..0..1..1..0

CROSSREFS

Sequence in context: A332969 A322031 A196207 * A251258 A101241 A307973

Adjacent sequences:  A196471 A196472 A196473 * A196475 A196476 A196477

KEYWORD

nonn

AUTHOR

R. H. Hardin Oct 03 2011

STATUS

approved

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Last modified November 28 10:05 EST 2021. Contains 349401 sequences. (Running on oeis4.)