A159115 Number of permutations of 1..n containing the relative rank sequence { 145326 } at any spacing.

1, 37, 893, 18151, 340722, 6171747, 110487973, 1982914085, 36000845891, 665283251217

Offset

6,2

Comments

Same series for 623541 154236 632451

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: A159123 A159085 A159087 * A159108 A159130 A159100

Adjacent sequences: A159112 A159113 A159114 * A159116 A159117 A159118

Keyword

nonn

Author

R. H. Hardin Apr 05 2009

Status

approved