A159108 Number of permutations of 1..n containing the relative rank sequence { 136542 } at any spacing.

1, 37, 893, 18152, 340805, 6175518, 110615379, 1986526444, 36092306837, 667427556805

Offset

6,2

Comments

Same series for 245631 532146 641235 345261 432516 162543 615234

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: A159085 A159087 A159115 * A159130 A159100 A159113

Adjacent sequences: A159105 A159106 A159107 * A159109 A159110 A159111

Keyword

nonn

Author

R. H. Hardin Apr 05 2009

Status

approved