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A159179
Number of permutations of 1..n containing the relative rank sequence { 1564237 } at any spacing.
0
1, 50, 1580, 41040, 965959, 21607243, 471691155, 10211215719, 221445431736
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OFFSET
7,2
LINKS
Table of n, a(n) for n=7..15.
Eric Weisstein's World of Mathematics,
Permutation Pattern
CROSSREFS
A056986
A158005
A158423
Sequence in context:
A159175
A159186
A159180
*
A159185
A159182
A159188
Adjacent sequences:
A159176
A159177
A159178
*
A159180
A159181
A159182
KEYWORD
nonn
AUTHOR
R. H. Hardin
, Apr 05 2009
STATUS
approved
