A159149 Number of permutations of 1..n containing the relative rank sequence { 236154 } at any spacing.

1, 37, 894, 18209, 342746, 6227216, 111809573, 2011739254, 36593905375, 677012700022

Offset

6,2

Comments

Same series for 451632 326145 541623 412653 365124 356214 421563

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: A159114 A159154 A159159 * A159172 A159165 A159168

Adjacent sequences: A159146 A159147 A159148 * A159150 A159151 A159152

Keyword

nonn

Author

R. H. Hardin Apr 05 2009

Status

approved