A159129 Number of permutations of 1..n containing the relative rank sequence { 154623 } at any spacing.

1, 37, 893, 18156, 341051, 6184486, 110869930, 1992773061, 36232056820

Offset

6,2

Comments

Same series for 326451 451326 623154 423651 354126 156324 621453

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: A159093 A159112 A159121 * A159171 A159097 A159099

Adjacent sequences: A159126 A159127 A159128 * A159130 A159131 A159132

Keyword

nonn

Author

R. H. Hardin Apr 05 2009

Status

approved