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A251972 Number of (n+1)X(6+1) 0..3 arrays with nondecreasing sum of every two consecutive values in every row and column 1
490000, 60025000, 7353062500, 345888060000, 16270574342400, 410018473428480, 10332465530397696, 167006381634183168, 2699368454168838144, 31245878471405875200, 361679014193888160000, 3225176243350261200000 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 6 of A251974

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..18

EXAMPLE

Some solutions for n=1

..0..0..0..0..1..2..2....0..0..0..0..3..1..3....0..0..2..0..2..0..2

..0..1..0..2..0..2..2....0..0..1..0..1..3..3....0..0..0..0..0..1..1

CROSSREFS

Sequence in context: A163401 A022215 A252847 * A034629 A109914 A209856

Adjacent sequences:  A251969 A251970 A251971 * A251973 A251974 A251975

KEYWORD

nonn

AUTHOR

R. H. Hardin, Dec 12 2014

STATUS

approved

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Last modified February 29 02:35 EST 2020. Contains 332353 sequences. (Running on oeis4.)