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A219408 Unmatched value maps: number of nX6 binary arrays indicating the locations of corresponding elements not equal to any horizontal or antidiagonal neighbor in a random 0..2 nX6 array 1
21, 1261, 57097, 2633596, 121641579, 5618116265, 259468310384, 11983486642214, 553453107750115, 25561051456876291, 1180528707338785094, 54522328912450097473, 2518095766994664668337, 116297422017630310505820 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 6 of A219410

LINKS

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

FORMULA

Empirical: a(n) = 21*a(n-1) +950*a(n-2) +9306*a(n-3) +26031*a(n-4) -50016*a(n-5) -214765*a(n-6) +276749*a(n-7) +349461*a(n-8) -523220*a(n-9) -71125*a(n-10) +294741*a(n-11) -112428*a(n-12) +11664*a(n-13) for n>14

EXAMPLE

Some solutions for n=3

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

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

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

CROSSREFS

Sequence in context: A297071 A036059 A036519 * A250061 A267949 A268096

Adjacent sequences:  A219405 A219406 A219407 * A219409 A219410 A219411

KEYWORD

nonn

AUTHOR

R. H. Hardin Nov 19 2012

STATUS

approved

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Last modified May 28 05:47 EDT 2022. Contains 354112 sequences. (Running on oeis4.)