login
The OEIS Foundation is supported by donations from users of the OEIS and by a grant from the Simons Foundation.

 

Logo

Year-end appeal: Please make a donation to the OEIS Foundation to support ongoing development and maintenance of the OEIS. We are now in our 56th year, we are closing in on 350,000 sequences, and we’ve crossed 9,700 citations (which often say “discovered thanks to the OEIS”).

Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
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 A288837 A290049

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

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recent
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified December 7 12:17 EST 2021. Contains 349581 sequences. (Running on oeis4.)