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A204755 Number of (n+1)X(n+1) 0..5 arrays with the permanents of all 2X2 subblocks equal and nonzero 0
1175, 38553, 833401, 306477369, 27008204541, 88406706477089, 30627642821922195 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Diagonal of A204763
LINKS
EXAMPLE
Some solutions for n=4
..2..4..5..5..5....1..1..0..1..4....1..1..4..0..4....2..5..4..1..3
..3..4..0..4..0....0..5..5..0..5....3..1..0..1..3....1..0..1..1..2
..5..0..5..1..5....1..0..1..1..3....1..1..4..1..1....3..5..3..2..1
..5..4..5..3..5....2..5..4..1..2....3..1..0..1..3....1..0..1..1..2
..0..4..0..4..0....1..0..1..1..3....1..1..4..0..4....1..5..5..0..5
CROSSREFS
Sequence in context: A204763 A204756 A027485 * A202199 A233870 A237774
KEYWORD
nonn
AUTHOR
R. H. Hardin Jan 18 2012
STATUS
approved

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Last modified May 22 15:18 EDT 2024. Contains 372758 sequences. (Running on oeis4.)