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!)
A251171 Number of (n+1)X(4+1) 0..3 arrays with no 2X2 subblock having the minimum of its diagonal elements less than the absolute difference of its antidiagonal elements 1
100462, 17822017, 3387331664, 648299061766, 124211482822101, 23810611569424562, 4564338162026063711, 874976613125754162367, 167731165638773364886922, 32153762102058112167343144 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Column 4 of A251175
LINKS
EXAMPLE
Some solutions for n=1
..1..1..2..3..1....2..2..3..0..1....2..3..3..3..3....0..3..0..3..1
..2..3..3..1..0....0..2..1..1..0....2..2..1..2..1....3..1..3..0..2
CROSSREFS
Sequence in context: A120218 A365375 A235901 * A126166 A323754 A251042
KEYWORD
nonn
AUTHOR
R. H. Hardin, Nov 30 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 February 23 14:24 EST 2024. Contains 370283 sequences. (Running on oeis4.)