A205896 Number of 4X(n+1) 0..2 arrays with 2X2 subblock determinants differing from horizontal neighbors and permanents differing from vertical neighbors

2766, 61588, 1476942, 34564494, 804426380, 18812081142, 439162152842, 10255340979304, 239487523641844, 5592460632273544, 130595228874080342, 3049654943682381302, 71215458114766556266, 1663021423908313463798

Offset

1,1

Comments

Row 3 of A205894

Links

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

Example

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

Crossrefs

Sequence in context: A043665 A198451 A205288 * A205418 A231709 A046332

Adjacent sequences: A205893 A205894 A205895 * A205897 A205898 A205899

Keyword

nonn

Author

R. H. Hardin Feb 01 2012

Status

approved