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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: A115951 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 August 5 01:22 EDT 2024. Contains 374934 sequences. (Running on oeis4.)