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A237698 Number of (n+1)X(3+1) 0..2 arrays with the maximum plus the upper median plus the lower median of every 2X2 subblock differing from its horizontal and vertical neighbors by exactly one 1
1186, 7562, 49152, 333508, 2234136, 14991412, 100790676, 681668756, 4585208960, 30833533736, 207687511796, 1402048789416, 9438312729002, 63517027029228, 427982336753074, 2886242240243372, 19435769390492458, 130855004505569972 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 3 of A237703

LINKS

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

EXAMPLE

Some solutions for n=3

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

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

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

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

CROSSREFS

Sequence in context: A205994 A345540 A345792 * A345664 A052236 A342066

Adjacent sequences:  A237695 A237696 A237697 * A237699 A237700 A237701

KEYWORD

nonn

AUTHOR

R. H. Hardin, Feb 11 2014

STATUS

approved

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Last modified January 27 10:39 EST 2022. Contains 350607 sequences. (Running on oeis4.)