A159097 Number of permutations of 1..n containing the relative rank sequence { 135246 } at any spacing.

1, 37, 894, 18194, 341847, 6195090, 110911952, 1989987465, 36112151377, 666961008490

Offset

6,2

Comments

Same series for 642531 635241 142536

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: A159121 A159129 A159171 * A159099 A159134 A159104

Adjacent sequences: A159094 A159095 A159096 * A159098 A159099 A159100

Keyword

nonn

Author

R. H. Hardin Apr 05 2009

Status

approved