The OEIS mourns the passing of Jim Simons and is grateful to the Simons Foundation for its support of research in many branches of science, including the OEIS.
login
The OEIS is supported by the many generous donors to the OEIS Foundation.

 

Logo
Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
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. 1
1140, 169692, 25364480, 3795674252, 568008109436, 85000031249096, 12719895449388800, 1903478569962529436, 284847519195214207740, 42626226776754332086840, 6378834593164563425802400 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Column 4 of A232137.
LINKS
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
KEYWORD
nonn
AUTHOR
R. H. Hardin, Nov 19 2013
STATUS
approved

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recents
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified June 17 08:51 EDT 2024. Contains 373444 sequences. (Running on oeis4.)