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

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A183268 Number of singly defective permutations of 1..n+8 with exactly 5 maxima 0
249984, 14548480, 469942528, 11190054912, 219921448448, 3786548183040, 59211819110400 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

A singly defective permutation omits one value and repeats another value

Column 5 of A183270

LINKS

Table of n, a(n) for n=1..7.

EXAMPLE

Some solutions for n=2 with 5 maxima

(6,1,2,9,7,9,4,10,5,8) (6,1,5,3,10,9,4,8,2,4) (6,1,3,2,10,4,9,3,5,7)

CROSSREFS

Sequence in context: A250516 A249316 A018236 * A043655 A271144 A058004

Adjacent sequences:  A183265 A183266 A183267 * A183269 A183270 A183271

KEYWORD

nonn

AUTHOR

R. H. Hardin Jan 03 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 August 24 13:48 EDT 2019. Contains 326279 sequences. (Running on oeis4.)