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A224180 Number of permutations of length n containing exactly 1 occurrence of 12354. 0
0, 0, 0, 0, 1, 19, 246, 2767, 29384, 305646, 3170684, 33104118, 349462727, 3738073247, 40549242195, 446115153023, 4976319258200, 56252653681606, 643996994735079, 7461850038335967, 87447167319345337, 1035866799853591309, 12395264890256322913 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,6

LINKS

Table of n, a(n) for n=1..23.

Brian Nakamura, Approaches for enumerating permutations with a prescribed number of occurrences of patterns, PU. M. A. 24 (2013), 179-194

Brian Nakamura, Approaches for enumerating permutations with a prescribed number of occurrences of patterns, arXiv 1301.5080, 2013

MAPLE

Programs can be obtained from the link.

CROSSREFS

Cf. A047889.

Sequence in context: A021504 A019512 A025927 * A318194 A019443 A021229

Adjacent sequences:  A224177 A224178 A224179 * A224181 A224182 A224183

KEYWORD

nonn

AUTHOR

Brian Nakamura, Apr 01 2013

STATUS

approved

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Last modified September 28 00:01 EDT 2022. Contains 357063 sequences. (Running on oeis4.)