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A250508 Number of (n+2)X(1+2) 0..2 arrays with nondecreasing maximum minus minimum of every three consecutive values in every row and column 1
19683, 274625, 3442951, 37595375, 371694959, 3436115229, 30283802613, 255685143923, 2089787836625, 16641921796291, 129546535071799, 989447338713023, 7436913272854057, 55111908391372377, 403398312288430103 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 1 of A250510

LINKS

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

EXAMPLE

Some solutions for n=1

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

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

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

CROSSREFS

Sequence in context: A250594 A067489 A250510 * A250507 A250505 A186625

Adjacent sequences:  A250505 A250506 A250507 * A250509 A250510 A250511

KEYWORD

nonn

AUTHOR

R. H. Hardin, Nov 24 2014

STATUS

approved

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Last modified October 27 17:37 EDT 2021. Contains 348287 sequences. (Running on oeis4.)