A195960 Number of nX6 0..4 arrays with each element equal to the number its horizontal and vertical neighbors unequal to itself

2, 14, 44, 70, 93, 214, 410, 998, 2123, 4591, 11034, 26330, 60901, 143300, 345175, 823118, 1988085, 4777597, 11547151, 28117721, 68374283, 166223266, 405654362, 991476600, 2422998474, 5926884201, 14512749914, 35554454454, 87151183742

Offset

1,1

Comments

Column 6 of A195962

Links

R. H. Hardin, Table of n, a(n) for n = 1..200

Example

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

Crossrefs

Sequence in context: A297425 A108478 A262963 * A268684 A333052 A075036

Adjacent sequences: A195957 A195958 A195959 * A195961 A195962 A195963

Keyword

nonn

Author

R. H. Hardin Sep 25 2011

Status

approved