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A159134
Number of permutations of 1..n containing the relative rank sequence { 163542 } at any spacing.
0
1, 37, 894, 18198, 342114, 6205561, 111229153, 1998237674, 36306623166, 671248950345
OFFSET
6,2
COMMENTS
Same series for 245361 532416 614235.
LINKS
Eric Weisstein's World of Mathematics, Permutation Pattern
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Apr 05 2009
STATUS
approved