A183967 Number of (n+1)X6 0..2 arrays with no 2X2 subblock sum differing from a horizontal or vertical neighbor subblock sum by more than one

95481, 4911675, 272110811, 17133244697, 1088246684231, 71600778588343, 4720827195840383, 314952766527081107, 21019196647336491143, 1408297665844286292499, 94357037903974020537281

Offset

1,1

Comments

Column 5 of A183971

Links

R. H. Hardin, Table of n, a(n) for n = 1..14

Example

Some solutions for 3X6
..0..0..0..0..1..0....0..0..0..0..2..0....0..0..0..1..1..1....0..0..0..2..0..2
..1..1..2..1..2..1....1..0..1..0..0..1....0..0..1..0..1..0....0..2..1..0..1..1
..0..0..0..1..1..1....1..0..1..0..2..0....0..0..0..1..1..0....0..0..0..1..0..1
...
...2..3..3..4..4.......1..1..1..2..3.......0..1..2..3..3.......2..3..3..3..4...
...2..3..4..5..5.......2..2..2..2..3.......0..1..2..3..2.......2..3..2..2..3...

Crossrefs

Sequence in context: A206105 A230734 A114660 * A293372 A250993 A235783

Adjacent sequences: A183964 A183965 A183966 * A183968 A183969 A183970

Keyword

nonn

Author

R. H. Hardin Jan 08 2011

Status

approved