A159161 Number of permutations of 1..n containing the relative rank sequence { 251463 } at any spacing.

1, 37, 896, 18305, 345573, 6293848, 113198337, 2038624247, 37090848761

Offset

6,2

Comments

Same series for 461352 316425 253164 524613 364152 413625 526314

Links

Table of n, a(n) for n=6..14.

Eric Weisstein's World of Mathematics, Permutation Pattern

Crossrefs

A056986 A158005 A158423

Sequence in context: A159164 A159105 A159160 * A159163 A159158 A159174

Adjacent sequences: A159158 A159159 A159160 * A159162 A159163 A159164

Keyword

nonn

Author

R. H. Hardin Apr 05 2009

Status

approved