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A222093 T(n,k)=Number of nXk arrays of occupancy after each element stays put or moves to some horizontal, vertical or antidiagonal neighbor, without move-in move-out left turns 7
1, 3, 3, 8, 31, 8, 21, 306, 308, 21, 55, 3014, 11698, 3034, 55, 144, 29671, 439644, 439979, 29860, 144, 377, 292017, 16509768, 62776264, 16518325, 293848, 377, 987, 2873693, 619931605, 8938090933, 8936245171, 620167586, 2891636, 987, 2584 (list; table; graph; refs; listen; history; text; internal format)
OFFSET
1,2
COMMENTS
Table starts
....1.........3............8..............21...............55..............144
....3........31..........306............3014............29671...........292017
....8.......308........11698..........439644.........16509768........619931605
...21......3034.......439979........62776264.......8938090933....1272224461900
...55.....29860.....16518325......8936245171....4815375485520.2592572243795538
..144....293848....620167586...1271770432077.2592139704947730
..377...2891636..23285438194.181000238870646
..987..28455036.874320487561
.2584.280009384
.6765
LINKS
EXAMPLE
Some solutions for n=3 k=4
..0..3..2..0....0..2..0..1....0..0..1..0....0..4..0..0....0..2..2..0
..1..0..3..1....0..3..0..2....1..1..3..3....0..2..1..2....0..2..0..1
..0..1..1..0....0..1..0..3....2..0..0..1....0..1..0..2....0..4..1..0
CROSSREFS
Column and row 1 are A001906
Sequence in context: A221773 A101126 A221001 * A221165 A221776 A221225
KEYWORD
nonn,tabl
AUTHOR
R. H. Hardin Feb 07 2013
STATUS
approved

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Last modified May 24 12:09 EDT 2024. Contains 372773 sequences. (Running on oeis4.)