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A185933 T(n,k)=Number of (n+1)X(k+1) 0..3 arrays with no 2X2 subblock trace equal to any horizontal or vertical neighbor 2X2 subblock trace 10
256, 3392, 3392, 45184, 130944, 45184, 601280, 5113920, 5113920, 601280, 8003200, 199644672, 590014464, 199644672, 8003200, 106519232, 7794298816, 67954333216, 67954333216, 7794298816, 106519232, 1417744768, 304295071104, 7826768593728 (list; table; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Table starts
.........256............3392................45184...................601280
........3392..........130944..............5113920................199644672
.......45184.........5113920............590014464..............67954333216
......601280.......199644672..........67954333216...........23071825269024
.....8003200......7794298816........7826768593728.........7834998846007456
...106519232....304295071104......901434253841216......2660771010874885728
..1417744768..11879903064384...103822107190857792....903599949050079304640
.18869769920.463800149161728.11957609765394118112.306863268993289004333312
LINKS
EXAMPLE
Some solutions for 4X3
..0..2..0....0..0..0....2..0..0....0..0..0....0..2..0....0..0..0....0..0..0
..0..0..2....2..2..3....0..2..0....0..2..1....0..0..1....0..0..2....2..2..0
..1..2..3....3..2..3....2..1..3....2..0..0....0..3..0....2..3..0....3..3..1
..3..2..0....0..2..2....0..0..3....2..2..1....2..0..2....3..0..0....0..0..3
CROSSREFS
Sequence in context: A344304 A070056 A185575 * A185572 A185925 A205281
KEYWORD
nonn,tabl
AUTHOR
R. H. Hardin Feb 06 2011
STATUS
approved

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Last modified February 26 02:20 EST 2024. Contains 370335 sequences. (Running on oeis4.)