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A203087 Number of (n+2)X6 binary arrays avoiding patterns 000 and 101 in rows and columns 1
1575, 6615, 26528, 112334, 470807, 1946072, 8108104, 33749405, 140139039, 582872782, 2424232694, 10076881075, 41899814371, 174230232505, 724397027179, 3011944328140, 12523598001417, 52071590286001, 216507575162589 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 4 of A203091

LINKS

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

FORMULA

Empirical: a(n) = a(n-1) +4*a(n-2) +34*a(n-3) +40*a(n-4) -31*a(n-5) -224*a(n-6) -413*a(n-7) +433*a(n-8) +1505*a(n-9) +703*a(n-10) -2455*a(n-11) -5056*a(n-12) +2075*a(n-13) +4934*a(n-14) -656*a(n-15) +3696*a(n-16) +18044*a(n-17) -16513*a(n-18) -39362*a(n-19) +8986*a(n-20) +39868*a(n-21) -19137*a(n-22) +10671*a(n-23) +7513*a(n-24) -14687*a(n-25) -4882*a(n-26) -718*a(n-27) +4632*a(n-28) +3198*a(n-29) +2571*a(n-30) +1542*a(n-31) -1549*a(n-32) +249*a(n-33) -84*a(n-34) -330*a(n-35) +54*a(n-36) -216*a(n-37) for n>41

EXAMPLE

Some solutions for n=3

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

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

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

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

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

CROSSREFS

Sequence in context: A333950 A248694 A075460 * A278559 A263525 A183637

Adjacent sequences:  A203084 A203085 A203086 * A203088 A203089 A203090

KEYWORD

nonn

AUTHOR

R. H. Hardin Dec 29 2011

STATUS

approved

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Last modified June 1 20:49 EDT 2020. Contains 334765 sequences. (Running on oeis4.)