A158435 Number of permutations of 1..n containing the relative rank sequence { 52143 } at any spacing.

1, 26, 459, 7036, 102033, 1456346, 20901218, 305540295, 4588693377, 71238558078

Offset

5,2

Comments

Same series for 32541 34125 14523

Links

Table of n, a(n) for n=5..14.

Eric Weisstein's World of Mathematics, Permutation Pattern

Crossrefs

A056986 A158005

Sequence in context: A158433 A158423 A158430 * A158424 A020594 A158437

Adjacent sequences: A158432 A158433 A158434 * A158436 A158437 A158438

Keyword

nonn

Author

R. H. Hardin, Mar 18 2009

Status

approved