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!)
A229729 Number of separable permutations with exactly four occurrences of the 1-box pattern. 2
0, 0, 0, 0, 8, 42, 178, 664, 2288 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,5

COMMENTS

See Kitaev-Remmel for precise definition.

LINKS

Table of n, a(n) for n=0..8.

S. Kitaev and J. Remmel, The 1-box pattern on pattern avoiding permutations, arXiv preprint arXiv:1305.6970 [math.CO], 2013.

CROSSREFS

Cf. A229730.

Sequence in context: A256861 A287221 A119965 * A055082 A266940 A212337

Adjacent sequences:  A229726 A229727 A229728 * A229730 A229731 A229732

KEYWORD

nonn,more

AUTHOR

N. J. A. Sloane, Oct 01 2013

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 20 00:58 EDT 2021. Contains 347577 sequences. (Running on oeis4.)