A159121 Number of permutations of 1..n containing the relative rank sequence { 146523 } at any spacing.
1, 37, 893, 18156, 341049, 6184359, 110865138, 1992632288, 36228489065, 670284655152
Offset: 6
Keywords
Links
- Eric Weisstein's World of Mathematics, Permutation Pattern
Comments