A159166 Number of permutations of 1..n containing the relative rank sequence { 256143 } at any spacing.

1, 37, 894, 18213, 342987, 6235874, 112052824, 2017665690, 36725776559

Offset

6,2

Comments

Same series for 341652 436125 521634 416523 361254 325614 452163

Links

Table of n, a(n) for n=6..14.

Eric Weisstein's World of Mathematics, Permutation Pattern

Crossrefs

A056986 A158005 A158423

Sequence in context: A159165 A159168 A159147 * A159155 A159151 A159148

Adjacent sequences: A159163 A159164 A159165 * A159167 A159168 A159169

Keyword

nonn

Author

R. H. Hardin, Apr 05 2009

Status

approved