A232133 Number of (n+1) X (4+1) 0..2 arrays with no element equal to a strict majority of its horizontal and antidiagonal neighbors, with values 0..2 introduced in row major order.

1140, 169692, 25364480, 3795674252, 568008109436, 85000031249096, 12719895449388800, 1903478569962529436, 284847519195214207740, 42626226776754332086840, 6378834593164563425802400

Offset

1,1

Comments

Column 4 of A232137.

Links

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

Formula

Empirical: a(n) = 191*a(n-1) -6912*a(n-2) +115408*a(n-3) -1111971*a(n-4) +6750425*a(n-5) -26789260*a(n-6) +69724040*a(n-7) -116179712*a(n-8) +120732608*a(n-9) -77737728*a(n-10) +30931968*a(n-11) -7383040*a(n-12) +917504*a(n-13) -32768*a(n-14).

Example

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

Crossrefs

Cf. A232137.

Sequence in context: A113708 A353066 A206112 * A261572 A252476 A020397

Adjacent sequences: A232130 A232131 A232132 * A232134 A232135 A232136

Keyword

nonn

Author

R. H. Hardin, Nov 19 2013

Status

approved