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!)
A264013 Number of (n+1)X(n+1) arrays of permutations of 0..(n+1)^2-1 with each element having index change +-(.,.) 0,0 1,2 or 2,2. 0
1, 5, 169, 20570, 9150625, 21860843125, 252579343635025, 12379056073433237760 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

Diagonal of A264017.

LINKS

Table of n, a(n) for n=1..8.

EXAMPLE

Some solutions for n=4

..7..1.14..3..4....0..8.14..3..4....0..1..2..3..4...12..8.14..3..4

.12.13..0..8..9...17..6..7..1..9...12..6.19..8..9....5.18..0..1..9

.10.11.24..6..2...22.23.12.13..2...10.18.24.13.14...22.11.19.13..2

.15.23..5.18.19...15.16..5.18.19...15.23..5.11..7...15.23.17..6..7

.20.21.22.16.17...20.21.10.11.24...20.21.22.16.17...20.21.10.16.24

CROSSREFS

Cf. A264017.

Sequence in context: A301949 A316709 A293953 * A326555 A279382 A157234

Adjacent sequences:  A264010 A264011 A264012 * A264014 A264015 A264016

KEYWORD

nonn

AUTHOR

R. H. Hardin, Nov 01 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 January 22 20:00 EST 2022. Contains 350504 sequences. (Running on oeis4.)