A159168 Number of permutations of 1..n containing the relative rank sequence { 256413 } at any spacing.

1, 37, 894, 18212, 342909, 6232590, 111950361, 2014983453, 36663029801, 678413022961

Offset

6,2

Comments

Same series for 453162 324615 261354 516423 314652 463125 521364

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: A159149 A159172 A159165 * A159147 A159166 A159155

Adjacent sequences: A159165 A159166 A159167 * A159169 A159170 A159171

Keyword

nonn

Author

R. H. Hardin, Apr 05 2009

Status

approved