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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
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
KEYWORD
nonn
AUTHOR
R. H. Hardin Apr 19 2011
STATUS
approved

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Last modified February 27 16:21 EST 2024. Contains 370378 sequences. (Running on oeis4.)