A220066 Majority value maps: number of nX3 binary arrays indicating the locations of corresponding elements equal to at least half of their horizontal and vertical neighbors in a random 0..1 nX3 array

4, 19, 134, 878, 5609, 36011, 231343, 1483999, 9515200, 60996453, 390995240, 2506299034, 16065358056, 102978135046, 660082481027, 4231075253651, 27120831228945, 173842158021918, 1114312870464367, 7142646492038739

Offset

1,1

Comments

Column 3 of A220070

Links

R. H. Hardin, Table of n, a(n) for n = 1..74

Example

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

Crossrefs

Sequence in context: A144273 A127060 A134147 * A157303 A007788 A259354

Adjacent sequences: A220063 A220064 A220065 * A220067 A220068 A220069

Keyword

nonn

Author

R. H. Hardin Dec 03 2012

Status

approved