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A250911 Number of (n+1)X(6+1) 0..2 arrays with no 2X2 subblock having its maximum diagonal element less than its minimum antidiagonal element 1
2647773, 3271547025, 4039362762435, 4986961280614953, 6156816533805174849, 7601083164098734394079, 9384142308556191112974969, 11585469902120869957560844677, 14303183663125779053133772617453 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 6 of A250913

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..210

EXAMPLE

Some solutions for n=1

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

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

CROSSREFS

Sequence in context: A229799 A196496 A105380 * A157840 A063413 A210388

Adjacent sequences:  A250908 A250909 A250910 * A250912 A250913 A250914

KEYWORD

nonn

AUTHOR

R. H. Hardin, Nov 28 2014

STATUS

approved

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Last modified November 26 09:38 EST 2020. Contains 338639 sequences. (Running on oeis4.)