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

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A199941 Number of -6..6 arrays x(0..n-1) of n elements with zeroth through n-1st differences all nonzero 0
12, 132, 1404, 14696, 152586, 1577040, 16261206, 167447004, 1723164176, 17727091612 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 6 of A199943

LINKS

Table of n, a(n) for n=1..10.

EXAMPLE

Some solutions for n=6

.-6...-3....4...-6....4...-6...-3...-6...-3....4...-3...-3....1...-3...-6...-6

..1....1...-3....1...-3....4....1....1....1...-3....1....4...-6...-6....1...-3

..3....6...-2...-5....3...-5....4...-4....2...-2...-3....1....4....4...-2...-5

..4...-5....3....6...-3....3....1....2...-3....3....4...-3...-3...-6....2....2

.-6...-1...-4...-5....6...-4...-5...-4....2...-5....1...-5....5...-3...-5....5

..4...-2....4...-6....1...-3...-2....4...-6....2...-5...-6....4...-6....4....2

CROSSREFS

Sequence in context: A003495 A165150 A002921 * A001336 A118475 A190873

Adjacent sequences:  A199938 A199939 A199940 * A199942 A199943 A199944

KEYWORD

nonn

AUTHOR

R. H. Hardin Nov 12 2011

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 April 22 08:25 EDT 2019. Contains 322329 sequences. (Running on oeis4.)