A159154 Number of permutations of 1..n containing the relative rank sequence { 243615 } at any spacing.

1, 37, 894, 18208, 342687, 6225173, 111754800, 2010473163, 36567244103, 676484513037

Offset

6,2

Comments

Same series for 516342 261435 534162 315462 462315 264513 513264

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: A159145 A159124 A159114 * A159159 A159149 A159172

Adjacent sequences: A159151 A159152 A159153 * A159155 A159156 A159157

Keyword

nonn

Author

R. H. Hardin Apr 05 2009

Status

approved