A159095 Number of permutations of 1..n containing the relative rank sequence { 134625 } at any spacing.

1, 37, 895, 18251, 343794, 6247342, 112133533, 2016191343, 36643491669, 677335842892

Offset

6,2

Comments

Same series for 526431 251346 643152 463251 314526 152364 625413.

Links

Table of n, a(n) for n=6..15.

Eric Weisstein's World of Mathematics, Permutation Pattern

Crossrefs

Cf. A056986, A158005, A158423.

Sequence in context: A159103 A159098 A159119 * A159107 A159125 A159118

Adjacent sequences: A159092 A159093 A159094 * A159096 A159097 A159098

Keyword

nonn,more

Author

R. H. Hardin, Apr 05 2009

Status

approved