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A017463
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a(n) = (11*n + 6)^3.
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12
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216, 4913, 21952, 59319, 125000, 226981, 373248, 571787, 830584, 1157625, 1560896, 2048383, 2628072, 3307949, 4096000, 5000211, 6028568, 7189057, 8489664, 9938375, 11543176, 13312053, 15252992, 17373979, 19683000, 22188041, 24897088, 27818127, 30959144
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OFFSET
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0,1
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LINKS
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FORMULA
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a(n) = 4*a(n-1) - 6*a(n-2) + 4*a(n-3) - a(n-4); a(0)=216, a(1)=4913, a(2)=21952, a(3)=59319. - Harvey P. Dale, May 16 2012
G.f.: (216 +4049*x +3596*x^2 +125*x^3)/(1-x)^4.
E.g.f.: (216 +4697*x +6171*x^2 +1331*x^3)*exp(x). (End)
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MAPLE
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MATHEMATICA
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(11Range[0, 40]+6)^3
LinearRecurrence[{4, -6, 4, -1}, {216, 4913, 21952, 59319}, 40] (* End *)
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PROG
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(Sage) [(11*n+6)^3 for n in (0..40)] # G. C. Greubel, Sep 19 2019
(GAP) List([0..40], n-> (11*n+6)^3); # G. C. Greubel, Sep 19 2019
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CROSSREFS
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Powers of the form (11*n+6)^m: A017461 (m=1), A017462 (m=2), this sequence (m=3), A017464 (m=4), A017465 (m=5), A017466 (m=6), A017467 (m=7), A017468 (m=8), A017469 (m=9), A017470 (m=10), A017471 (m=11), A017472 (m=12).
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KEYWORD
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nonn,easy
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AUTHOR
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STATUS
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approved
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