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-5, -2, 5, 16, 31, 50, 73, 100, 131, 166, 205, 248, 295, 346, 401, 460, 523, 590, 661, 736, 815, 898, 985, 1076, 1171, 1270, 1373, 1480, 1591, 1706, 1825, 1948, 2075, 2206, 2341, 2480, 2623, 2770, 2921, 3076, 3235, 3398, 3565, 3736, 3911, 4090, 4273
(list; graph; refs; listen; history; internal format)
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OFFSET
| 0,1
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COMMENTS
| A100035(a(n)) = 4 for n>3;
a(n) = A014105(n) - 5 = A084849(n) - 6 = A100041(n) + 2.
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LINKS
| Index entries for sequences related to linear recurrences with constant coefficients, signature (3,-3,1).
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FORMULA
| a(n) = 2*a(n-1)-a(n-2)+4; a(0)=-5, a(1)=-2. [From Vincenzo Librandi, Dec 26 2010]
G.f.: (-5 + 13*x - 4*x^2)/(1 - x)^3. [Arkadiusz Wesolowski, Dec 25 2011]
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PROG
| (MAGMA) [ 2*n^2+n-5: n in [0..50] ];
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CROSSREFS
| Cf. A100036, A100037, A100038, A100039.
Sequence in context: A085997 A071546 A154649 * A197271 A175557 A018247
Adjacent sequences: A100037 A100038 A100039 * A100041 A100042 A100043
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KEYWORD
| sign,easy
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AUTHOR
| Reinhard Zumkeller (reinhard.zumkeller(AT)gmail.com), Oct 31 2004
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