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A212853 Number of nX6 arrays with rows being permutations of 0..5 and no column j greater than column j-1 in all rows 1
1, 90921, 179781181, 191740223841, 164481310134301, 128645361626874561, 96426023622482278621, 70816637331790329140481, 51492108377805402906874141, 37256471170472317193421713601, 26890352949868734582700237312861 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

Column 6 of A212855

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..210

FORMULA

Empirical: a(n) = 1602*a(n-1) -929171*a(n-2) +260888070*a(n-3) -39883405500*a(n-4) +3492052425000*a(n-5) -177328940580000*a(n-6) +5153150631600000*a(n-7) -82577533320000000*a(n-8) +669410956800000000*a(n-9) -2224399449600000000*a(n-10) +1632586752000000000*a(n-11)

EXAMPLE

Some solutions for n=3

..0..3..1..4..2..5....0..3..1..4..2..5....0..3..1..4..2..5....0..3..1..4..2..5

..3..0..2..4..5..1....1..3..0..4..5..2....4..0..3..1..2..5....0..1..5..2..3..4

..1..2..4..0..3..5....5..0..4..2..3..1....2..1..5..4..3..0....3..1..5..0..4..2

CROSSREFS

Sequence in context: A131353 A183677 A015316 * A127660 A127659 A126165

Adjacent sequences:  A212850 A212851 A212852 * A212854 A212855 A212856

KEYWORD

nonn

AUTHOR

R. H. Hardin May 28 2012

STATUS

approved

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Last modified April 23 02:43 EDT 2019. Contains 322380 sequences. (Running on oeis4.)