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A207283 T(n,k)=Number of nXk 0..3 arrays avoiding the patterns z z+1 z or z z-1 z in any row, column, diagonal or antidiagonal 9
4, 16, 16, 58, 256, 58, 214, 3364, 3364, 214, 788, 45796, 121014, 45796, 788, 2902, 620944, 4686270, 4686270, 620944, 2902, 10686, 8421604, 181121542, 553738958, 181121542, 8421604, 10686, 39350, 114190596, 6979630118, 65396633910 (list; table; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Table starts

.....4.........16.............58.............214..............788

....16........256...........3364...........45796...........620944

....58.......3364.........121014.........4686270........181121542

...214......45796........4686270.......553738958......65396633910

...788.....620944......181121542.....65396633910...23419301672964

..2902....8421604.....6979630118...7655462652196.8271975196175318

.10686..114190596...268686202446.895547972671398

.39350.1548422500.10346388676890

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..60

EXAMPLE

Some solutions for n=4 k=3

..1..3..3....3..0..1....2..0..1....0..1..1....1..0..2....1..2..2....1..3..2

..3..1..3....2..0..0....0..2..0....2..0..2....0..0..0....1..0..2....3..0..1

..1..3..3....2..0..2....2..1..3....2..2..0....2..2..0....0..3..0....1..1..3

..3..1..1....0..3..1....2..3..1....3..2..2....3..3..0....0..2..1....2..1..3

CROSSREFS

Sequence in context: A336938 A232516 A220109 * A207479 A207535 A269194

Adjacent sequences:  A207280 A207281 A207282 * A207284 A207285 A207286

KEYWORD

nonn,tabl

AUTHOR

R. H. Hardin Feb 16 2012

STATUS

approved

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Last modified October 16 20:36 EDT 2021. Contains 348047 sequences. (Running on oeis4.)