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A189248 Number of nX3 array permutations with each element making zero or one king moves 1
3, 152, 2961, 76629, 1818336, 44308389, 1070959431, 25950094568, 628311228261, 15216392096673, 368483172355520, 8923455937553017, 216095445904425947, 5233099961163002488, 126727881793625193513, 3068918844981224041565 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 3 of A189254

LINKS

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

FORMULA

Empirical: a(n) = 20*a(n-1) +125*a(n-2) -566*a(n-3) +249*a(n-4) +916*a(n-5) -1703*a(n-6) +256*a(n-7) +691*a(n-8) -30*a(n-9) -9*a(n-10)

EXAMPLE

Some solutions for 4X3

..3..5..1....1..2..4....3..0..2....1..3..5....4..2..1....1..4..5....1..0..5

..0..7..2....3..0..7....1..7..4....6..0..2....0..7..8....7..0..2....3..8..2

..6..4.10....6..5.11....6..5.11....9.11..4....3..6..5....3..9.11....9.11..4

..9..8.11....9.10..8....9.10..8....7..8.10...10..9.11...10..6..8....6..7.10

CROSSREFS

Sequence in context: A137802 A100203 A287319 * A209393 A095225 A039934

Adjacent sequences:  A189245 A189246 A189247 * A189249 A189250 A189251

KEYWORD

nonn

AUTHOR

R. H. Hardin Apr 19 2011

STATUS

approved

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Last modified July 21 06:55 EDT 2019. Contains 325192 sequences. (Running on oeis4.)