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A186064 Number of (n+2)X3 0..2 arrays with each 3X3 subblock having a positive determinant 1
6396, 85950, 1119798, 14499921, 189215295, 2464134402, 32080884108, 417846175365, 5441672218326, 70866667068072, 922916034310758, 12019300783493754, 156529394078831076, 2038511626441264185 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 1 of A186068

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..200

EXAMPLE

Some solutions for 4X3

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

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

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

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

CROSSREFS

Sequence in context: A322935 A253825 A186068 * A251454 A237954 A269827

Adjacent sequences:  A186061 A186062 A186063 * A186065 A186066 A186067

KEYWORD

nonn

AUTHOR

R. H. Hardin Feb 11 2011

STATUS

approved

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Last modified May 25 18:25 EDT 2022. Contains 354071 sequences. (Running on oeis4.)