A232026 Number of 4Xn 0..2 arrays with no element less than a strict majority of its horizontal and antidiagonal neighbors

81, 704, 11517, 196196, 3668759, 66962048, 1199720929, 21351363302, 380166026971, 6777797788833, 120894842412728, 2156413213871354, 38461828093868228, 685987901327913013, 12234941433232653332

Offset

1,1

Comments

Row 4 of A232023

Links

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

Example

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

Crossrefs

Sequence in context: A269055 A236876 A185366 * A133549 A235946 A090257

Adjacent sequences: A232023 A232024 A232025 * A232027 A232028 A232029

Keyword

nonn

Author

R. H. Hardin, Nov 17 2013

Status

approved