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A186913 Number of (n+2)X9 0..6 arrays with each 3X3 subblock having rows and columns in lexicographically nondecreasing order 1
44902749582723, 13921822487031205, 2169936652932512523, 219019175194540430058, 15954040054059557650482, 893383694291331850798966, 40128119810449322920431346, 1491377073810394581396929600 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 7 of A186915

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..9

EXAMPLE

Some solutions for 4X9

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

..0..0..0..0..0..0..0..2..3....0..0..0..0..0..0..0..0..5

..0..0..0..0..0..0..0..4..2....0..0..0..0..0..0..0..1..1

..0..0..0..0..0..0..0..5..2....0..0..0..0..0..0..0..1..6

CROSSREFS

Sequence in context: A318575 A211112 A132389 * A262193 A219320 A186018

Adjacent sequences:  A186910 A186911 A186912 * A186914 A186915 A186916

KEYWORD

nonn

AUTHOR

R. H. Hardin Feb 28 2011

STATUS

approved

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Last modified January 26 14:08 EST 2020. Contains 331280 sequences. (Running on oeis4.)