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A251973 Number of (n+1)X(7+1) 0..3 arrays with nondecreasing sum of every two consecutive values in every row and column 1
1500625, 294122500, 57648010000, 4067643585600, 287012931399936, 10332465530397696, 371968759094317056, 8266815890892066816, 183725765411866546176, 2835563471280083174400, 43763160717460467360000 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 7 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..2..0..2..2....0..0..0..0..0..2..1..2....0..0..0..0..0..1..1..2

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

CROSSREFS

Sequence in context: A297881 A228761 A206060 * A236499 A210018 A254173

Adjacent sequences:  A251970 A251971 A251972 * A251974 A251975 A251976

KEYWORD

nonn

AUTHOR

R. H. Hardin, Dec 12 2014

STATUS

approved

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Last modified February 25 02:54 EST 2020. Contains 332217 sequences. (Running on oeis4.)