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A265882 T(n,k)=Number of nXk arrays containing k copies of 0..n-1 with no element plus any horizontal neighbor equal to n-1. 6
1, 0, 2, 0, 2, 6, 0, 2, 24, 24, 0, 2, 152, 792, 120, 0, 2, 894, 30488, 39360, 720, 0, 2, 5748, 1584088, 18437120, 2396880, 5040, 0, 2, 38296, 90246168, 10856237680, 13734486480, 241012800, 40320, 0, 2, 263484, 5533645144, 7213744082208 (list; table; graph; refs; listen; history; text; internal format)
OFFSET

1,3

COMMENTS

Table starts

.......1.............0.................0...................0..................0

.......2.............2.................2...................2..................2

.......6............24...............152.................894...............5748

......24...........792.............30488.............1584088...........90246168

.....120.........39360..........18437120.........10856237680......7213744082208

.....720.......2396880.......13734486480.....105870775847760.955702928168691408

....5040.....241012800....21429982230720.2630918094778547280

...40320...27159592320.40229528835726720

..362880.4466274785280

.3628800

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..55

EXAMPLE

Some solutions for n=3 k=4

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

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

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

CROSSREFS

Column 1 is A000142.

Sequence in context: A057607 A264954 A212085 * A324253 A208385 A186634

Adjacent sequences:  A265879 A265880 A265881 * A265883 A265884 A265885

KEYWORD

nonn,tabl

AUTHOR

R. H. Hardin, Dec 17 2015

STATUS

approved

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Last modified January 28 11:15 EST 2022. Contains 350655 sequences. (Running on oeis4.)