A159091 Number of permutations of 1..n containing the relative rank sequence { 132645 } at any spacing.

1, 37, 892, 18096, 338925, 6125833, 109468530, 1962169602, 35601982205, 657898464017

Offset

6,2

Comments

Same series for 465231 312546 132564 645213 546231 231546 645132

Links

Table of n, a(n) for n=6..15.

Eric Weisstein's World of Mathematics, Permutation Pattern

Crossrefs

A056986 A158005 A158423

Sequence in context: A159141 A159089 A159139 * A159140 A159132 A159138

Adjacent sequences: A159088 A159089 A159090 * A159092 A159093 A159094

Keyword

nonn

Author

R. H. Hardin Apr 05 2009

Status

approved