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A250509 Number of (n+2)X(2+2) 0..2 arrays with nondecreasing maximum minus minimum of every three consecutive values in every row and column 1
274625, 7615233, 184021141, 3726466325, 66217800903, 1079694968285, 16547443940527, 239762491944665, 3331432353007961, 44764306424750549, 583975364339968629, 7434540289095411055, 92726598333207379911 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 2 of A250510

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..31

EXAMPLE

Some solutions for n=1

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

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

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

CROSSREFS

Sequence in context: A098786 A235300 A256364 * A164520 A274351 A114664

Adjacent sequences:  A250506 A250507 A250508 * A250510 A250511 A250512

KEYWORD

nonn

AUTHOR

R. H. Hardin, Nov 24 2014

STATUS

approved

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Last modified December 3 19:39 EST 2021. Contains 349468 sequences. (Running on oeis4.)