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A100279 Inverse Moebius transform applied twice to Lucas numbers (A000032). 3
4, 1, 5, 11, 30, 200, 5880, 1149852, 6643838880, 7639424866275970, 50755107359004694925071660, 387739824812222466915538827541705412334750, 19679776435706023589554719270187917683310683639911856695096924149852 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,1

LINKS

Table of n, a(n) for n=0..12.

FORMULA

a(n) = Sum_{d|n} A100707(d).

a(n)= A100107(A000032(n)). - R. J. Mathar, Aug 21 2007

MAPLE

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, Aug 21 2007

CROSSREFS

Cf. A000032, A100107.

Sequence in context: A204201 A090842 A120868 * A132379 A193955 A130746

Adjacent sequences:  A100276 A100277 A100278 * A100280 A100281 A100282

KEYWORD

nonn

AUTHOR

Jonathan Vos Post, Dec 26 2004

EXTENSIONS

Corrected and extended by R. J. Mathar, Aug 21 2007

STATUS

approved

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Last modified July 2 07:13 EDT 2020. Contains 335398 sequences. (Running on oeis4.)