A204761 Number of (n+1)X7 0..5 arrays with the permanents of all 2X2 subblocks equal and nonzero

469999, 57594105, 544806119, 68057441183, 700833744055, 88406706477089, 953004580935007, 117779082753141157, 1325384683873535315, 158219359571601922795, 1857180089870784997349, 213203608279550415545503

Offset

1,1

Comments

Column 6 of A204763

Links

R. H. Hardin, Table of n, a(n) for n = 1..19

Example

Some solutions for n=4
..2..1..5..2..3..5..4....4..3..4..2..3..5..3....4..4..5..2..5..3..5
..3..1..0..1..1..0..1....0..4..0..4..2..2..2....1..4..0..4..0..4..0
..2..1..5..0..5..5..1....4..1..4..2..3..5..3....4..4..5..0..5..0..5
..3..1..0..1..1..0..1....0..4..0..4..2..2..2....5..0..5..4..2..4..0
..2..1..5..4..1..5..0....4..0..4..0..4..4..4....1..4..5..0..5..0..5

Crossrefs

Sequence in context: A092010 A206541 A346110 * A164973 A114673 A251370

Adjacent sequences: A204758 A204759 A204760 * A204762 A204763 A204764

Keyword

nonn

Author

R. H. Hardin Jan 18 2012

Status

approved