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!)
A251437 Number of (n+1)X(3+1) 0..3 arrays with no 2X2 subblock having the minimum of its diagonal elements greater than the absolute difference of its antidiagonal elements 1
27486, 3204536, 360591824, 41060404870, 4653177899915, 528079828285838, 59895416958296448, 6794578583576754031, 770727122339512484660, 87427440690060912584495, 9917248465705842505589194 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 3 of A251442

LINKS

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

EXAMPLE

Some solutions for n=1

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

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

CROSSREFS

Sequence in context: A187533 A321159 A236503 * A206364 A224110 A251958

Adjacent sequences:  A251434 A251435 A251436 * A251438 A251439 A251440

KEYWORD

nonn

AUTHOR

R. H. Hardin, Dec 02 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 August 9 12:53 EDT 2022. Contains 356026 sequences. (Running on oeis4.)