login
The OEIS Foundation is supported by donations from users of the OEIS and by a grant from the Simons Foundation.

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A251447 Number of (n+1)X(4+1) 0..2 arrays with no 2X2 subblock having the minimum of its diagonal elements less than the absolute difference of its antidiagonal elements 1
6505, 295339, 14434472, 711649307, 35114707166, 1733325153538, 85556587695052, 4223166671228639, 208458935686468001, 10289725682300720114, 507910087570520572800, 25070902359432483734308, 1237522406240832903706833 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 4 of A251451

LINKS

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

R. H. Hardin, Empirical recurrence of order 88

FORMULA

Empirical recurrence of order 88 (see link above)

EXAMPLE

Some solutions for n=1

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

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

CROSSREFS

Sequence in context: A049529 A284102 A338951 * A156416 A156418 A258521

Adjacent sequences:  A251444 A251445 A251446 * A251448 A251449 A251450

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 | Recent
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified July 25 13:05 EDT 2021. Contains 346290 sequences. (Running on oeis4.)