A159143 Number of permutations of 1..n containing the relative rank sequence { 216534 } at any spacing.

1, 37, 892, 18101, 339221, 6136346, 109762005, 1969306328, 35761194738, 661255164270

Offset

6,2

Comments

Same series for 346521 431256 125643 652134 435621 342156 126534 651243 346512 431265 215643 562134 435612 342165 561243

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: A159088 A159137 A159094 * A159086 A159116 A159117

Adjacent sequences: A159140 A159141 A159142 * A159144 A159145 A159146

Keyword

nonn

Author

R. H. Hardin Apr 05 2009

Status

approved