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A140429
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Binomial transform of Jacobsthal numbers A001045.
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3
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0, 1, 3, 9, 27, 81, 243, 729, 2187, 6561, 19683, 59049, 177147, 531441, 1594323, 4782969, 14348907, 43046721, 129140163, 387420489, 1162261467, 3486784401, 10460353203, 31381059609, 94143178827, 282429536481, 847288609443
(list; graph; refs; listen; history; internal format)
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OFFSET
| 0,3
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COMMENTS
| Implicit use in A094555 (Barry).
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FORMULA
| a(n)=A000244(n-1), n >0.
O.g.f.: x/(1-3x). - R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Aug 27 2008
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MAPLE
| with(finance):seq(floor(futurevalue(3, 2, n)), n=-2..24); # [From Zerinvary Lajos (zerinvarylajos(AT)yahoo.com), Mar 25 2009]
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PROG
| (Other) sage: [lucas_number1(n, 3, 0) for n in xrange(0, 27)]# [From Zerinvary Lajos (zerinvarylajos(AT)yahoo.com), Apr 23 2009]
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CROSSREFS
| Cf. A000079(n)=A131577, A133494.
Sequence in context: A038002 A190128 * A141413 A000244 A133494 A050733
Adjacent sequences: A140426 A140427 A140428 * A140430 A140431 A140432
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KEYWORD
| nonn
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AUTHOR
| Paul Curtz (bpcrtz(AT)free.fr), Jun 19 2008
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EXTENSIONS
| Extended by R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Aug 28 2008
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