A159121 Number of permutations of 1..n containing the relative rank sequence { 146523 } at any spacing.

1, 37, 893, 18156, 341049, 6184359, 110865138, 1992632288, 36228489065, 670284655152

Offset

6,2

Comments

Same series for 342651 435126 156243 621534 325641 452136 631254

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: A159096 A159093 A159112 * A159129 A159171 A159097

Adjacent sequences: A159118 A159119 A159120 * A159122 A159123 A159124

Keyword

nonn

Author

R. H. Hardin, Apr 05 2009

Status

approved