login
This site is supported by donations to The OEIS Foundation.

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A263605 Number of (3+1)X(n+1) arrays of permutations of 0..n*4+3 filled by rows with each element moved a city block distance of 0 or 2, and rows and columns in increasing lexicographic order. 1
24, 1962, 69792, 1880912, 51961032, 1372902790, 33884598625, 807142134398, 18779339172610, 428729281937316, 9643905774436924, 214695476497108228, 4743560856622740097, 104225642166723506952, 2280739348249274754822 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Row 3 of A263602.

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..113

EXAMPLE

Some solutions for n=3

..0..1..7.11....0..1..2..3....0..6..7.11....0..4..7.11....0..1..2..3

..4..5..6..2....4..5.11..7....1.10..9..2....9..8..1.15....4.10..9.15

..8..9.15..3....8..6.15.14....5..4..8..3...10..6..2..3....8.11..5..6

.14.10.12.13...12.10..9.13...12.13.14.15...12..5.14.13...12.13.14..7

CROSSREFS

Cf. A263602.

Sequence in context: A225220 A262010 A267075 * A327197 A194472 A246602

Adjacent sequences:  A263602 A263603 A263604 * A263606 A263607 A263608

KEYWORD

nonn

AUTHOR

R. H. Hardin, Oct 22 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 September 17 06:52 EDT 2019. Contains 327119 sequences. (Running on oeis4.)