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A202098 Number of (n+2)X8 binary arrays avoiding patterns 001 and 011 in rows and columns 2
5625, 50625, 275625, 1500625, 6002500, 24010000, 77792400, 252047376, 700131600, 1944810000, 4802490000, 11859210000, 26683222500, 60037250625, 125262905625, 261351000625, 512247961225, 1004006004001, 1866953313225, 3471607400625 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 6 of A202100

LINKS

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

FORMULA

Empirical: a(n) = 2*a(n-1) +14*a(n-2) -30*a(n-3) -90*a(n-4) +210*a(n-5) +350*a(n-6) -910*a(n-7) -910*a(n-8) +2730*a(n-9) +1638*a(n-10) -6006*a(n-11) -2002*a(n-12) +10010*a(n-13) +1430*a(n-14) -12870*a(n-15) +12870*a(n-17) -1430*a(n-18) -10010*a(n-19) +2002*a(n-20) +6006*a(n-21) -1638*a(n-22) -2730*a(n-23) +910*a(n-24) +910*a(n-25) -350*a(n-26) -210*a(n-27) +90*a(n-28) +30*a(n-29) -14*a(n-30) -2*a(n-31) +a(n-32)

EXAMPLE

Some solutions for n=2

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

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

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

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

CROSSREFS

Sequence in context: A237507 A198164 A058003 * A247261 A203831 A014799

Adjacent sequences:  A202095 A202096 A202097 * A202099 A202100 A202101

KEYWORD

nonn

AUTHOR

R. H. Hardin Dec 11 2011

STATUS

approved

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Last modified September 23 20:42 EDT 2021. Contains 347617 sequences. (Running on oeis4.)