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A224179 Number of permutations of length n containing exactly 1 occurrence of 1243. 0
0, 0, 0, 1, 11, 88, 638, 4478, 31199, 218033, 1535207, 10910759, 78310579, 567588264, 4152765025, 30656248812, 228215224472, 1712296117750, 12941799657414, 98486737654025, 754273093950128, 5811161481943201, 45020589539040033, 350604675228411590, 2743720335733822423 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,5

LINKS

Table of n, a(n) for n=1..25.

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. A217057.

Sequence in context: A022735 A346448 A173731 * A037601 A037706 A175605

Adjacent sequences:  A224176 A224177 A224178 * A224180 A224181 A224182

KEYWORD

nonn

AUTHOR

Brian Nakamura, Apr 01 2013

STATUS

approved

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Last modified October 1 22:45 EDT 2022. Contains 357173 sequences. (Running on oeis4.)