A229729 - OEIS

A229729

Number of separable permutations with exactly four occurrences of the 1-box pattern.

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`

Last modified March 20 05:30 EDT 2023. Contains 361358 sequences. (Running on oeis4.)