A233015 Number of nX5 0..3 arrays with no element x(i,j) adjacent to value 3-x(i,j) horizontally or vertically, top left element zero, and 1 appearing before 2 in row major order

41, 3602, 321125, 28644884, 2555361596, 227962456547, 20336458202315, 1814209743962774, 161845156135565726, 14438162415499861067, 1288024550490077255945, 114904320627032572280324

Offset

1,1

Comments

Column 5 of A233018

Links

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

Formula

Empirical: a(n) = 119*a(n-1) -2929*a(n-2) +25066*a(n-3) -76115*a(n-4) -887*a(n-5) +324153*a(n-6) -444798*a(n-7) +175392*a(n-8)

Example

Some solutions for n=2
..0..1..1..0..1....0..0..0..0..1....0..1..3..1..1....0..1..3..3..2
..1..1..3..1..1....1..1..1..0..0....0..0..1..1..3....0..0..2..2..3

Crossrefs

Sequence in context: A167246 A208564 A209097 * A282054 A107690 A068815

Adjacent sequences: A233012 A233013 A233014 * A233016 A233017 A233018

Keyword

nonn

Author

R. H. Hardin, Dec 03 2013

Status

approved