A159093 Number of permutations of 1..n containing the relative rank sequence { 134526 } at any spacing.

1, 37, 893, 18155, 340960, 6180218, 110724545, 1988664448, 36129031223, 667983854845

Offset

6,2

Comments

Same series for 625431 152346 643251

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: A159122 A159110 A159096 * A159112 A159121 A159129

Adjacent sequences: A159090 A159091 A159092 * A159094 A159095 A159096

Keyword

nonn

Author

R. H. Hardin Apr 05 2009

Status

approved