A159159 Number of permutations of 1..n containing the relative rank sequence { 246513 } at any spacing.

1, 37, 894, 18208, 342714, 6226906, 111820429, 2012399155, 36615892177, 677600234050

Offset

6,2

Comments

Same series for 315642 462135 531264 435162 342615 261534 516243

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: A159124 A159114 A159154 * A159149 A159172 A159165

Adjacent sequences: A159156 A159157 A159158 * A159160 A159161 A159162

Keyword

nonn

Author

R. H. Hardin Apr 05 2009

Status

approved