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A159142
Number of permutations of 1..n containing the relative rank sequence { 214635 } at any spacing.
0
1, 37, 893, 18147, 340508, 6164947, 110320096, 1979352513, 35932666632, 664075359756
OFFSET
6,2
COMMENTS
Same series for 536421 241356 124635 653142 463521 314256 125364 652413 536412 241365 563142 463512 314265 215364 562413
LINKS
Eric Weisstein's World of Mathematics, Permutation Pattern
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin Apr 05 2009
STATUS
approved