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A179709
Number of permutations of 1..n having exactly 6 maxima.
3
0, 353792, 22368256, 795300864, 21016670208, 460858269696, 8885192097792, 155964390375424, 2550316668551168, 39471306959486976, 584901762421358592, 8369943835924758528, 116424418353082269696, 1582198544942090944512, 21092268709406041964544
OFFSET
10,2
COMMENTS
a(n) = A130662(n-1)*512.
LINKS
FORMULA
G.f.: -512*x^11* (2090188800*x^10 -5075343360*x^9 +5480510976*x^8 -3456747648*x^7 +1407037152*x^6 -385459712*x^5 +71872912*x^4 -8997896*x^3 +723346*x^2 -33704*x+691) / ((12*x-1) *(10*x-1)^2 *(8*x-1)^3 *(6*x-1)^4 *(4*x-1)^5 *(2*x-1)^6). - Alois P. Heinz, Oct 01 2013
CROSSREFS
Column k=5 of A008303.
Sequence in context: A274900 A284081 A050515 * A186217 A237411 A235980
KEYWORD
nonn
AUTHOR
R. H. Hardin, Jul 25 2010
EXTENSIONS
a(17)-a(24) from Alois P. Heinz, Oct 01 2013
STATUS
approved