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!)
A152632 Number of permutations of floor(i*5/3), i=0..n-1, with all sums of 7 adjacent terms unique. 0
1, 2, 6, 24, 120, 720, 5040, 40320, 342720, 3191904, 32232096, 350962496, 4156960768, 53582346336, 719876114496, 10464406476068 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

LINKS

Table of n, a(n) for n=1..16.

CROSSREFS

Sequence in context: A152643 A152638 A152636 * A152640 A152641 A152644

Adjacent sequences:  A152629 A152630 A152631 * A152633 A152634 A152635

KEYWORD

nonn

AUTHOR

R. H. Hardin, Dec 10 2008

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 26 09:15 EDT 2021. Contains 347664 sequences. (Running on oeis4.)