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!)
A251032 Number of (n+1)X(3+1) 0..3 arrays with nondecreasing min(x(i,j),x(i,j-1)) in the i direction and nondecreasing absolute value of x(i,j)-x(i-1,j) in the j direction 1
4050, 45560, 422538, 3396593, 25346175, 179902335, 1238480366, 8354406377, 55641391371, 367591666672, 2416936370291, 15850140474874, 103825482991322, 679947967183727, 4454444283100317, 29200642258872509, 191573834606253212 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 3 of A251037

LINKS

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

R. H. Hardin, Empirical recurrence of order 59

FORMULA

Empirical recurrence of order 59 (see link above)

EXAMPLE

Some solutions for n=2

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

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

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

CROSSREFS

Sequence in context: A202313 A001382 A090058 * A035782 A108006 A320207

Adjacent sequences: A251029 A251030 A251031 * A251033 A251034 A251035

KEYWORD

nonn

AUTHOR

R. H. Hardin, Nov 29 2014

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 1 21:09 EST 2022. Contains 358484 sequences. (Running on oeis4.)