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A222990 Number of 5Xn 0..2 arrays with no more than floor(5Xn/2) elements unequal to at least one horizontal or antidiagonal neighbor, with new values introduced in row major 0..2 order 1
41, 326, 2903, 68385, 601407, 18382319, 183010307, 6204558968, 67324595334, 2417855348421, 27468992157986, 1009779221908166, 11708053404874825, 434647589200480262, 5088442449600194895, 189831985201117802057 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Row 5 of A222986

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..34

EXAMPLE

Some solutions for n=3

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

..1..0..2....1..2..2....0..0..0....1..1..1....0..0..1....1..0..1....1..0..0

..1..1..1....2..1..1....0..0..0....1..1..1....2..1..0....2..2..2....0..1..1

..1..1..1....1..1..1....1..0..0....0..1..1....0..2..2....2..2..2....1..1..1

..1..1..1....1..1..1....0..0..0....0..1..1....2..2..2....2..2..2....1..1..1

CROSSREFS

Sequence in context: A277201 A340465 A282867 * A300775 A232857 A232793

Adjacent sequences:  A222987 A222988 A222989 * A222991 A222992 A222993

KEYWORD

nonn

AUTHOR

R. H. Hardin Mar 11 2013

STATUS

approved

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Last modified January 18 20:06 EST 2022. Contains 350455 sequences. (Running on oeis4.)