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A035041 2^n - C(n,0)- ... - C(n,8). 4
0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 11, 67, 299, 1093, 3473, 9949, 26333, 65536, 155382, 354522, 784626, 1695222, 3593934, 7507638, 15505590, 31746651, 64574877, 130712029, 263644133, 530396371, 1065084887, 2136022699, 4279934123, 8570386546 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,11

REFERENCES

J. Eckhoff, Der Satz von Radon in konvexen Productstrukturen II, Monat. f. Math., 73 (1969), 7-30.

LINKS

Table of n, a(n) for n=0..33.

FORMULA

G.f.: x^9/((1-2*x)*(1-x)^9).

MAPLE

a:=n->sum(binomial(n, j), j=9..n): seq(a(n), n=0..33); - Zerinvary Lajos, Jan 04 2007

MATHEMATICA

a=1; lst={}; s1=s2=s3=s4=s5=s6=s7=s8=s9=0; Do[s1+=a; s2+=s1; s3+=s2; s4+=s3; s5+=s4; s6+=s5; s7+=s6; s8+=s7; s9+=s8; AppendTo[lst, s9]; a=a*2, {n, 5!}]; lst [From Vladimir Joseph Stephan Orlovsky, Jan 10 2009]

Table[Sum[ Binomial[n, k], {k, 9, n}], {n, 0, 33}] [From Zerinvary Lajos, Jul 08 2009]

CROSSREFS

a(n)= A055248(n, 9). Partial sums of A035040.

Cf. A000079, A000225, A000295, A002663, A002664, A035038-A035042.

Sequence in context: A142645 A201605 A001808 * A125591 A092841 A165673

Adjacent sequences:  A035038 A035039 A035040 * A035042 A035043 A035044

KEYWORD

nonn,easy

AUTHOR

N. J. A. Sloane.

STATUS

approved

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Last modified April 21 02:07 EDT 2014. Contains 240824 sequences.