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A135497
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a(n) = n^5 - n^2.
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2
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0, 0, 28, 234, 1008, 3100, 7740, 16758, 32704, 58968, 99900, 160930, 248688, 371124, 537628, 759150, 1048320, 1419568, 1889244, 2475738, 3199600, 4083660, 5153148, 6435814, 7962048, 9765000, 11880700, 14348178, 17209584, 20510308, 24299100, 28628190
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OFFSET
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0,3
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LINKS
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FORMULA
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G.f.: 2*x^2*(14 +33*x +12*x^2 +x^3)/(1-x)^6. - Colin Barker, Feb 01 2012
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MAPLE
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seq(floor(n^8/(n^3+1)), n=0..25); # Gary Detlefs, Feb 11 2010
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MATHEMATICA
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Table[n^5 - n^2, {n, 0, 40}] (* and *) LinearRecurrence[{6, -15, 20, -15, 6, -1}, {0, 0, 28, 234, 1008, 3100}, 40] (* Vladimir Joseph Stephan Orlovsky, Feb 20 2012 *)
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PROG
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CROSSREFS
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KEYWORD
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nonn,easy
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AUTHOR
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EXTENSIONS
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STATUS
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approved
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