A159180 Number of permutations of 1..n containing the relative rank sequence { 1634527 } at any spacing.

1, 50, 1580, 41039, 965904, 21605510, 471650114, 10210402728, 221431033846

Offset

7,2

Links

Table of n, a(n) for n=7..15.

Eric Weisstein's World of Mathematics, Permutation Pattern

Crossrefs

A056986 A158005 A158423

Sequence in context: A159181 A159175 A159186 * A159179 A159185 A159182

Adjacent sequences: A159177 A159178 A159179 * A159181 A159182 A159183

Keyword

nonn

Author

R. H. Hardin, Apr 05 2009

Status

approved