A158431 Number of permutations of 1..n containing the relative rank sequence { 45231 } at any spacing.

1, 26, 458, 6995, 101027, 1436898, 20572392, 300418660, 4513021536, 70158846231, 1133525183816, 19092510077724

Offset: 5

Author

R. H. Hardin Mar 18 2009

Keywords

• nonn

Comments

Same series for 53421 13245 12435 54231 21435 13254 53412

Links

• Eric Weisstein's World of Mathematics, Permutation Pattern

Crossrefs

A056986 A158005