A159094 Number of permutations of 1..n containing the relative rank sequence { 134562 } at any spacing.

1, 37, 892, 18099, 339137, 6134494, 109738838, 1969358127, 35774344332, 661750923896

Offset

6,2

Comments

Same series for 265431 512346 643215 543261 234516 162345 615432

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: A159138 A159088 A159137 * A159143 A159086 A159116

Adjacent sequences: A159091 A159092 A159093 * A159095 A159096 A159097

Keyword

nonn

Author

R. H. Hardin Apr 05 2009

Status

approved