A159132 Number of permutations of 1..n containing the relative rank sequence { 156432 } at any spacing.

1, 37, 892, 18097, 339000, 6129010, 109570327, 1964936896, 35669679012, 659440950724

Offset

6,2

Comments

Same series for 234651 543126 621345 324561 453216 165423 612354

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: A159139 A159091 A159140 * A159138 A159088 A159137

Adjacent sequences: A159129 A159130 A159131 * A159133 A159134 A159135

Keyword

nonn

Author

R. H. Hardin, Apr 05 2009

Status

approved