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A130660
1/16 the number of permutations of 0..n having exactly 4 maxima.
0
0, 0, 0, 0, 0, 0, 17, 496, 8576, 115072, 1328336, 13899904, 135927040, 1266360320, 11385790720, 99682672640, 855303553024, 7226263666688, 60329459699712, 499027284295680
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OFFSET
0,7
LINKS
Table of n, a(n) for n=0..19.
FORMULA
a(n) =
A000517
(n+1)/16. -
R. J. Mathar
, Mar 01 2015
CROSSREFS
Cf.
A100575
.
Sequence in context:
A173148
A142368
A109305
*
A185659
A012792
A012232
Adjacent sequences:
A130657
A130658
A130659
*
A130661
A130662
A130663
KEYWORD
nonn
AUTHOR
R. H. Hardin
, Aug 11 2007
STATUS
approved
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Last modified July 13 06:34 EDT 2024. Contains 374267 sequences. (Running on oeis4.)