A159140 Number of permutations of 1..n containing the relative rank sequence { 213564 } at any spacing.

1, 37, 892, 18096, 338937, 6126649, 109501246, 1963185574, 35629128055, 658556882075, 12450568185864

Offset

6,2

Comments

Same series for 465321 312456 123564 654213 546321 231456 123645 654132 465312 312465 564213 546312 231465 213645 564132 456132 321645 231654 546123 456213 321564 312654 465123

Links

Table of n, a(n) for n=6..16.

Eric Weisstein's World of Mathematics, Permutation Pattern

Crossrefs

Cf. A056986, A158005, A158423.

Sequence in context: A159089 A159139 A159091 * A159132 A159138 A159088

Adjacent sequences: A159137 A159138 A159139 * A159141 A159142 A159143

Keyword

nonn

Author

R. H. Hardin, Apr 05 2009

Status

approved