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Search: id:A024173
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A024173 [ (4th elementary symmetric function of 1,2,..,n)/(2nd elementary symfunction of 1,2,...,n) ]. +0
1
0, 0, 0, 3, 9, 21, 41, 72, 119, 185, 275, 395, 549, 744, 987, 1285, 1645, 2076, 2586, 3185, 3882, 4688, 5612, 6667, 7863, 9213, 10731, 12428, 14318, 16416, 18737, 21295, 24106, 27187, 30553, 34223, 38214, 42543, 47231, 52295, 57756, 63633, 69948, 76721 (list; graph; listen)
OFFSET

2,4

FORMULA

a(n)= floor( A000915(n-3)/A000914(n-1)). - R. J. Mathar, Sep 15 2009

EXAMPLE

a(4) = floor(24/35) =0. a(5)=floor(274/85)=3. - R. J. Mathar, Sep 15 2009

CROSSREFS

Sequence in context: A059774 A064999 A100135 this_sequence A097119 A146608 A161214

Adjacent sequences: A024170 A024171 A024172 this_sequence A024174 A024175 A024176

KEYWORD

nonn

AUTHOR

Clark Kimberling (ck6(AT)evansville.edu)

EXTENSIONS

Offset changed to 2 - R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Sep 15 2009

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Last modified December 7 08:40 EST 2009. Contains 170430 sequences.


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