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!)
A263509 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 1 or 2, and rows and columns in increasing lexicographic order. 1
360, 78306, 8349744, 830632993, 77648070968, 6600176727615, 524879929370969, 39815156080534246, 2908492519199212125, 206237888061029906090, 14285559566492289032473, 971180901984331067176513 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Row 3 of A263506.

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..51

EXAMPLE

Some solutions for n=2

..0..3..4....0..3..5....0..7..8....0..1..2....0..1..4....0..3..4....0..1..4

..1..5.11....1..8..2....3..2..1....5..3..4....3..6..5....6..1..2....3..2..5

..8..6..2....4..7.11....4.11.10....9..7..6...10..7..2....9..8..5....6..7..8

..9.10..7....6.10..9....9..6..5...11.10..8...11..9..8...11..7.10...10.11..9

CROSSREFS

Cf. A263506.

Sequence in context: A166785 A265455 A200210 * A317796 A145412 A156032

Adjacent sequences:  A263506 A263507 A263508 * A263510 A263511 A263512

KEYWORD

nonn

AUTHOR

R. H. Hardin, Oct 19 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 19 20:02 EDT 2020. Contains 337182 sequences. (Running on oeis4.)