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!)
A265444 Number of nX5 0..n+5-2 arrays with upper left zero and lower right n+5-2 and each element differing from its horizontal and vertical neighbors by one or two. 1
9, 455, 25069, 744805, 41855199, 4188662714, 268477963202, 11139856018641, 436718915555930, 28503014136448930, 2155806263833599027, 126581200884579064364, 5999724385865167170433, 301744936468780559629407 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 5 of A265447.

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..132

EXAMPLE

Some solutions for n=3

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

..2..3..2..3..4....2..3..1..3..4....1..3..1..3..5....1..2..4..3..4

..0..1..3..4..6....3..1..3..4..6....2..4..2..4..6....3..4..3..5..6

CROSSREFS

Cf. A265447.

Sequence in context: A156086 A160478 A020263 * A285371 A061175 A289054

Adjacent sequences:  A265441 A265442 A265443 * A265445 A265446 A265447

KEYWORD

nonn

AUTHOR

R. H. Hardin, Dec 09 2015

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 February 22 09:22 EST 2020. Contains 332133 sequences. (Running on oeis4.)