A224182 Number of permutations of length n containing exactly 1 occurrence of 2341.

0, 0, 0, 1, 11, 87, 625, 4378, 30671, 216883, 1552588, 11257405, 82635707, 613600423, 4604595573, 34889238855, 266697050660, 2055119789289

Offset

1,5

Links

Table of n, a(n) for n=1..18.

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

Sequence in context: A016222 A081013 A163616 * A119383 A001278 A125304

Adjacent sequences: A224179 A224180 A224181 * A224183 A224184 A224185

Keyword

nonn

Author

Brian Nakamura, Apr 01 2013

Status

approved