login
The OEIS is supported by the many generous donors to the OEIS Foundation.

 

Logo

Year-end appeal: Please make a donation to the OEIS Foundation to support ongoing development and maintenance of the OEIS. We are now in our 59th year, we have over 358,000 sequences, and we’ve crossed 10,300 citations (which often say “discovered thanks to the OEIS”).

Other ways to Give
Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A234446 Number of (n+1) X (3+1) 0..4 arrays with every 2 X 2 subblock having its diagonal sum differing from its antidiagonal sum by 1 (constant-stress 1 X 1 tilings). 1
8064, 125080, 2053280, 34601928, 588663528, 10079824144, 172781443608, 2969800840496, 51008286679168, 877838573526604, 15089751678627080, 259871199831030144, 4469550891727670024, 77017044139316320812 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

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

R. H. Hardin, Empirical recurrence of order 92

FORMULA

Empirical recurrence of order 92 (see link above).

EXAMPLE

Some solutions for n=2:

0 1 0 2 1 1 2 1 0 0 1 1 3 3 3 3 0 1 2 3

3 3 1 4 1 2 2 0 2 1 1 0 1 2 1 2 1 1 1 3

2 1 0 4 0 2 3 0 2 2 3 1 0 0 0 2 3 2 1 4

CROSSREFS

Column 3 of A234450.

Sequence in context: A109486 A032780 A159224 * A318104 A013378 A013458

Adjacent sequences: A234443 A234444 A234445 * A234447 A234448 A234449

KEYWORD

nonn

AUTHOR

R. H. Hardin, Dec 26 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 December 6 18:09 EST 2022. Contains 358644 sequences. (Running on oeis4.)