A159173 Number of permutations of 1..n containing the relative rank sequence { 351624 } at any spacing.

1, 37, 895, 18260, 344359, 6268251, 112733231, 2031003754, 36975924824

Offset

6,2

Comments

Same series for 426153

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: A159146 A159162 A159150 * A159170 A159167 A159169

Adjacent sequences: A159170 A159171 A159172 * A159174 A159175 A159176

Keyword

nonn

Author

R. H. Hardin Apr 05 2009

Status

approved