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A130662 1/512 the number of permutations of 0..n with exactly 6 maxima. 2
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 691, 43688, 1553322, 41048184, 900113808, 17353890816, 304617949952, 4981087243264, 77092396405248, 1142386254729216, 16347546554540544, 227391442095863808, 3090231533090021376, 41195837323058675712, 540459023153920671744 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,11

COMMENTS

a(n) = A179709(n+1)/512.

LINKS

Alois P. Heinz, Table of n, a(n) for n = 0..300

FORMULA

G.f.: -x^10* (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

Cf. A100575.

Sequence in context: A156036 A029814 A135843 * A029828 A037149 A196894

Adjacent sequences:  A130659 A130660 A130661 * A130663 A130664 A130665

KEYWORD

nonn

AUTHOR

R. H. Hardin, Aug 11 2007

EXTENSIONS

a(20)-a(24) from Alois P. Heinz, Oct 01 2013

STATUS

approved

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Last modified May 29 14:18 EDT 2017. Contains 287247 sequences.