A158429 Number of permutations of 1..n containing the relative rank sequence { 42531 } at any spacing.

1, 26, 460, 7066, 102595, 1464870, 21016266, 306985344, 4605989539, 71438420743, 1150819170703

Offset

5,2

Comments

Same series for 35241 31425 14253 52413 24135 13524 53142

Links

Table of n, a(n) for n=5..15.

Eric Weisstein's World of Mathematics, Permutation Pattern

Crossrefs

A056986 A158005

Sequence in context: A158424 A020594 A158437 * A158434 A158438 A158426

Adjacent sequences: A158426 A158427 A158428 * A158430 A158431 A158432

Keyword

nonn

Author

R. H. Hardin Mar 18 2009

Status

approved