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A204757 Number of (n+1)X3 0..5 arrays with the permanents of all 2X2 subblocks equal and nonzero 1
3677, 38553, 132787, 1457775, 5791161, 57594105, 251988905, 2302211093, 10869045681, 92799984319, 465729837083, 3767749896601, 19865081357281, 153946658146847, 844718265941069, 6325322419263953, 35848619928498487 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 2 of A204763

LINKS

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

EXAMPLE

Some solutions for n=4

..2..2..3....4..0..4....4..0..4....3..0..3....5..4..0....5..2..0....4..4..3

..4..4..2....4..1..1....0..3..3....2..3..5....2..0..2....0..2..5....2..4..3

..2..2..3....4..0..4....4..3..1....3..0..3....1..4..1....5..0..5....4..4..3

..4..4..2....4..1..0....4..0..4....3..3..2....1..4..1....5..2..3....2..4..3

..0..4..2....0..1..4....5..3..4....3..0..3....1..4..1....5..0..5....4..4..3

CROSSREFS

Sequence in context: A250702 A307890 A103608 * A250875 A252311 A263814

Adjacent sequences:  A204754 A204755 A204756 * A204758 A204759 A204760

KEYWORD

nonn

AUTHOR

R. H. Hardin Jan 18 2012

STATUS

approved

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Last modified September 24 22:46 EDT 2021. Contains 347651 sequences. (Running on oeis4.)