A159148 Number of permutations of 1..n containing the relative rank sequence { 236145 } at any spacing.

1, 37, 894, 18219, 343295, 6245377, 112283818, 2022569354, 36821516540, 681544409462

Offset

6,2

Comments

Same series for 541632 412563 365214

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: A159166 A159155 A159151 * A159103 A159098 A159119

Adjacent sequences: A159145 A159146 A159147 * A159149 A159150 A159151

Keyword

nonn

Author

R. H. Hardin Apr 05 2009

Status

approved