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A159089
Number of permutations of 1..n containing the relative rank sequence { 132465 } at any spacing.
0
1, 37, 891, 18042, 337148, 6079368, 108401655, 1939557678, 35146756581, 649036979911
OFFSET
6,2
COMMENTS
Same series for 645321 132456 123546 654231 564231 213546 645312 456231 321546 132654 645123
LINKS
Eric Weisstein's World of Mathematics, Permutation Pattern
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin Apr 05 2009
STATUS
approved