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A250595 Number of (n+2)X(2+2) 0..2 arrays with nondecreasing sum of every three consecutive values in every row and column 1
157464, 2099520, 27993600, 373248000, 2592000000, 18000000000, 125000000000, 590625000000, 2790703125000, 13186072265625, 48243443062500, 176506677018000, 645779095649856, 1968088672456704, 5997984525582336 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Column 2 of A250601
LINKS
EXAMPLE
Some solutions for n=1
..0..2..2..1....1..0..2..1....0..1..2..1....0..1..0..2....0..2..2..1
..0..0..1..0....0..0..2..0....0..2..1..0....1..1..1..2....1..1..0..2
..0..1..1..0....2..2..0..2....1..1..1..2....0..2..2..1....0..0..2..2
CROSSREFS
Sequence in context: A258073 A245681 A278862 * A253311 A253659 A253729
KEYWORD
nonn
AUTHOR
R. H. Hardin, Nov 25 2014
STATUS
approved

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Last modified May 19 11:03 EDT 2024. Contains 372683 sequences. (Running on oeis4.)