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Search: id:A129204
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A129204 a(n)=denominator(2/n^3). +0
2
1, 1, 4, 27, 32, 125, 108, 343, 256, 729, 500, 1331, 864, 2197, 1372, 3375, 2048, 4913, 2916, 6859, 4000, 9261, 5324, 12167, 6912, 15625, 8788, 19683, 10976, 24389, 13500, 29791, 16384 (list; graph; listen)
OFFSET

0,3

FORMULA

G.f.: (1+x+23x^2+22x^4+23x^5+x^7+x^8)/(1-x^2)^4; a(n)=0^n+n^3(3/4-(-1)^n/4); a(n+1)=A129196(n)*(5/3+(4/3)*cos(2*pi*(n+1)/3));

CROSSREFS

Sequence in context: A093845 A085702 A068349 this_sequence A082872 A054411 A051506

Adjacent sequences: A129201 A129202 A129203 this_sequence A129205 A129206 A129207

KEYWORD

easy,nonn

AUTHOR

Paul Barry (pbarry(AT)wit.ie), Apr 03 2007

page 1

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Last modified November 25 20:09 EST 2009. Contains 167514 sequences.


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