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A133034
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First differences of Padovan sequence A000931.
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1
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-1, 0, 1, -1, 1, 0, 0, 1, 0, 1, 1, 1, 2, 2, 3, 4, 5, 7, 9, 12, 16, 21, 28, 37, 49, 65, 86, 114, 151, 200, 265, 351, 465, 616, 816, 1081, 1432, 1897, 2513, 3329, 4410, 5842, 7739, 10252, 13581, 17991, 23833, 31572, 41824, 55405, 73396
(list; graph; refs; listen; history; internal format)
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OFFSET
| 0,13
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LINKS
| Index to sequences with linear recurrences with constant coefficients, signature (0,1,1).
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FORMULA
| a(n+4) = A000931(n).
G.f. ( 1-2*x^2 ) / ( -1+x^2+x^3 ). - R. J. Mathar, Sep 11 2011
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CROSSREFS
| Cf. A002026, A000931, A078027, A020720, A096231.
Sequence in context: A018052 A018124 A124745 * A000931 A078027 A134816
Adjacent sequences: A133031 A133032 A133033 * A133035 A133036 A133037
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KEYWORD
| easy,sign
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AUTHOR
| Omar E. Pol (info(AT)polprimos.com), Nov 05 2007, Nov 07 2007
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EXTENSIONS
| Appears to be essentially identical to one or more sequences already in the OEIS. - N. J. A. Sloane (njas(AT)research.att.com), Nov 06 2007
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