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A181210 Number of nX6 binary matrices with no two 1's adjacent diagonally or antidiagonally 1
64, 441, 9025, 104976, 1630729, 21836929, 315701824, 4388400025, 62249751001, 873880953856, 12333757683025, 173597094140625, 2446840043215936, 34462915406893801, 485580777431805169, 6840488501157755536 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 6 of A181212

LINKS

R. H. Hardin, Table of n, a(n) for n=1..100

FORMULA

Empirical: a(n)=15*a(n-1)+52*a(n-2)-1045*a(n-3)+803*a(n-4)+17330*a(n-5)-30225*a(n-6)-98253*a(n-7)+228176*a(n-8)+160607*a(n-9)-559589*a(n-10)+6282*a(n-11)+499824*a(n-12)-154008*a(n-13)-117936*a(n-14)+46656*a(n-15)

CROSSREFS

Sequence in context: A317237 A282771 A188821 * A092211 A130812 A187518

Adjacent sequences:  A181207 A181208 A181209 * A181211 A181212 A181213

KEYWORD

nonn

AUTHOR

R. H. Hardin Oct 10 2010

STATUS

approved

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Last modified July 31 06:15 EDT 2021. Contains 346369 sequences. (Running on oeis4.)