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A188871 Number of nX6 binary arrays without the pattern 0 0 0 antidiagonally or horizontally 1
44, 1936, 65656, 2368612, 84965120, 3043939392, 109002398784, 3903192037184, 139764515932928, 5004636736643072, 179204127483438080, 6416872410001742848, 229772891432953663488, 8227619010998404489216, 294611405650426832932864 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 6 of A188874

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..200

FORMULA

Empirical: a(n) = 44*a(n-1) -288*a(n-2) -96*a(n-3) -5152*a(n-4) +62016*a(n-5) +22400*a(n-6) -907712*a(n-7) +671744*a(n-8) +4370432*a(n-9) -5936128*a(n-10) -3608576*a(n-11) +6844416*a(n-12) +393216*a(n-13) -2097152*a(n-14) +262144*a(n-15) for n>17

EXAMPLE

Some solutions for 3X6

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

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

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

CROSSREFS

Sequence in context: A207086 A207180 A188751 * A009988 A041925 A094506

Adjacent sequences:  A188868 A188869 A188870 * A188872 A188873 A188874

KEYWORD

nonn

AUTHOR

R. H. Hardin Apr 12 2011

STATUS

approved

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Last modified September 27 03:01 EDT 2022. Contains 357051 sequences. (Running on oeis4.)