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A159090
Number of permutations of 1..n containing the relative rank sequence { 132546 } at any spacing.
0
1, 37, 891, 18041, 337085, 6076989, 108331202, 1937745128, 35104098525, 648090669839
OFFSET
6,2
COMMENTS
Same series for 645231
LINKS
Eric Weisstein's World of Mathematics, Permutation Pattern
CROSSREFS
KEYWORD
nonn,changed
AUTHOR
R. H. Hardin Apr 05 2009
STATUS
approved