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Search: id:A100279
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| A100279 |
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Inverse Moebius transform applied twice to Lucas numbers (A000032). |
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+0
3
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| 4, 1, 5, 11, 30, 200, 5880, 1149852, 6643838880, 7639424866275970, 50755107359004694925071660, 387739824812222466915538827541705412334750, 19679776435706023589554719270187917683310683639911856695096924149852
(list; graph; listen)
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OFFSET
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0,1
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FORMULA
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a(n) = SUM[d|n]A100707(d).
a(n)= A100107(A000032(n)). - R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Aug 21 2007
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MAPLE
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A000032 := proc(n) option remember; if n =0 then 2; elif n = 1 then 1; else A000032(n-1)+A000032(n-2) ; fi ; end: A100107 := proc(n) option remember ; local a, dvs, d ; a := 0: dvs := numtheory[divisors](n) ; for d in dvs do a := a+ A000032(d) ; od: RETURN(a) ; end: A100279 := proc(n) option remember ; A100107(A000032(n)) ; end: seq(A100279(n), n=0..15) ; - R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Aug 21 2007
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CROSSREFS
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Cf. A000032, A100107.
Sequence in context: A080852 A090842 A120868 this_sequence A132379 A130746 A125078
Adjacent sequences: A100276 A100277 A100278 this_sequence A100280 A100281 A100282
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KEYWORD
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nonn
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AUTHOR
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Jonathan Vos Post (jvospost2(AT)yahoo.com), Dec 26 2004
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EXTENSIONS
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Corrected and extended by R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Aug 21 2007
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