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A225023 Number of (n+1)X5 0..2 matrices with each 2X2 permanent equal 1
2653, 113261, 1930229, 68599847, 1695172731, 52562324371, 1457105103421, 43215008345605, 1240053913896303, 36294561965670221, 1052106584541296967, 30674878297649042749, 891844038980959163315, 25973093782593822861529 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Column 4 of A225027
LINKS
FORMULA
Empirical recurrence of order 87 (see link above)
EXAMPLE
Some solutions for n=2
..2..2..1..0..0....0..0..0..2..0....2..0..1..0..2....2..0..2..0..0
..0..0..0..0..0....0..0..0..0..0....2..0..2..0..1....0..0..0..0..2
..2..0..2..0..1....1..1..1..1..2....0..0..0..0..0....0..1..1..0..1
CROSSREFS
Sequence in context: A235446 A235750 A235813 * A251162 A217440 A235733
KEYWORD
nonn
AUTHOR
R. H. Hardin Apr 24 2013
STATUS
approved

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Last modified February 20 21:52 EST 2024. Contains 370219 sequences. (Running on oeis4.)