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A186914 Number of (n+2)X10 0..6 arrays with each 3X3 subblock having rows and columns in lexicographically nondecreasing order 1
449959668016830, 185414592506642580, 36804096662464163093, 4617630757685272558765, 411179480114108991321807, 27790825962428614280888055, 1491377073810394581396929600 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 8 of A186915

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..8

EXAMPLE

Some solutions for 4X10

..0..0..0..0..0..0..0..0..0..6....0..0..0..0..0..0..0..0..0..5

..0..0..0..0..0..0..0..0..1..4....0..0..0..0..0..0..0..0..0..6

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

..0..0..0..0..0..0..0..0..5..5....0..0..0..0..0..0..0..0..6..6

CROSSREFS

Sequence in context: A181392 A299799 A175531 * A172665 A172601 A086438

Adjacent sequences:  A186911 A186912 A186913 * A186915 A186916 A186917

KEYWORD

nonn

AUTHOR

R. H. Hardin Feb 28 2011

STATUS

approved

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Last modified January 21 05:23 EST 2020. Contains 331104 sequences. (Running on oeis4.)