The OEIS mourns the passing of
Jim Simons
and is grateful to the Simons Foundation for its support of research in many branches of science, including the OEIS.
login
The OEIS is supported by
the many generous donors to the OEIS Foundation
.
Hints
(Greetings from
The On-Line Encyclopedia of Integer Sequences
!)
A177281
Number of permutations of 1..n with all adjacent differences <= 9 in absolute value.
0
1, 1, 2, 6, 24, 120, 720, 5040, 40320, 362880, 3628800, 32659200, 267805440, 2033498880, 14563332000, 100185340320, 672903217200, 4472291398032, 29721557854116, 199059839989844
(
list
;
graph
;
refs
;
listen
;
history
;
text
;
internal format
)
OFFSET
0,3
COMMENTS
a(n) = n! for n <= 10.
LINKS
Table of n, a(n) for n=0..19.
CROSSREFS
Sequence in context:
A319212
A276844
A273697
*
A173850
A154658
A179369
Adjacent sequences:
A177278
A177279
A177280
*
A177282
A177283
A177284
KEYWORD
nonn
AUTHOR
R. H. Hardin
, May 06 2010
STATUS
approved
Lookup
|
Welcome
|
Wiki
|
Register
|
Music
|
Plot 2
|
Demos
|
Index
|
Browse
|
More
|
WebCam
Contribute new seq. or comment
|
Format
|
Style Sheet
|
Transforms
|
Superseeker
|
Recents
The OEIS Community
| Maintained by
The OEIS Foundation Inc.
License Agreements, Terms of Use, Privacy Policy.
.
Last modified June 9 20:03 EDT 2024. Contains 373248 sequences. (Running on oeis4.)