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A083591
Inverse binomial transform of A083589.
0
1, 3, 9, 27, 82, 242, 736, 2188, 6600, 19736, 59328, 177744, 533728, 1600160, 4802560, 14403520, 43218816, 129640064, 388952832, 1166793216, 3500510464, 10501269248, 31504332544, 94511948032, 283537942272, 850609632512
OFFSET
0,2
FORMULA
O.g.f.: -(1+x)^4/[(2*x+1)(2*x^2+2*x+1)(-1+3*x)]. - R. J. Mathar, Apr 02 2008
MATHEMATICA
LinearRecurrence[{-1, 6, 14, 12}, {1, 3, 9, 27, 82}, 30] (* Harvey P. Dale, Nov 04 2024 *)
CROSSREFS
Cf. A033139.
Sequence in context: A273898 A351343 A078226 * A052917 A099786 A237272
KEYWORD
nonn,easy,changed
AUTHOR
Paul Barry, May 02 2003
STATUS
approved