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A159093
Number of permutations of 1..n containing the relative rank sequence { 134526 } at any spacing.
0
1, 37, 893, 18155, 340960, 6180218, 110724545, 1988664448, 36129031223, 667983854845
OFFSET
6,2
COMMENTS
Same series for 625431 152346 643251
LINKS
Eric Weisstein's World of Mathematics, Permutation Pattern
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin Apr 05 2009
STATUS
approved