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0, 10, 44, 102, 184, 290, 420, 574, 752, 954, 1180, 1430, 1704, 2002, 2324, 2670, 3040, 3434, 3852, 4294, 4760, 5250, 5764, 6302, 6864, 7450, 8060, 8694, 9352, 10034, 10740, 11470, 12224, 13002, 13804, 14630, 15480, 16354, 17252, 18174, 19120, 20090, 21084
(list; graph; refs; listen; history; internal format)
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OFFSET
| 0,2
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REFERENCES
| V. van der Noort and N. J. A. Sloane, Paper in preparation, 2007.
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FORMULA
| a(n)=24*n+a(n-1)-14 (with a(0)=0) [From Vincenzo Librandi (vincenzo, Nov 23 2010]
a(0)=0, a(1)=10, a(2)=44, a(n)=3*a(n-1)-3*a(n-2)+a(n-3) [From Harvey P. Dale, Nov 19 2011]
G.f.: -((2*(7*x^2+5*x))/(x-1)^3) [From Harvey P. Dale, Nov 19 2011]
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MATHEMATICA
| Table[2n(6n-1), {n, 0, 50}] (* or *) LinearRecurrence[{3, -3, 1}, {0, 10, 44}, 50] (* From Harvey P. Dale, Nov 19 2011 *)
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CROSSREFS
| Sequence in context: A198695 A003866 A057517 * A008532 A085582 A058310
Adjacent sequences: A126961 A126962 A126963 * A126965 A126966 A126967
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KEYWORD
| nonn
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AUTHOR
| N. J. A. Sloane (njas(AT)research.att.com), Mar 21 2007
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