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A288039 Number of compositions (ordered partitions) of n into Lucas numbers (beginning with 1) (A000204). 3

%I #8 Dec 21 2021 10:24:34

%S 1,1,1,2,4,6,9,16,27,43,70,118,195,318,524,868,1430,2351,3878,6399,

%T 10542,17367,28634,47206,77793,128212,211346,348360,574153,946342,

%U 1559849,2571016,4237616,6984659,11512526,18975464,31276187,51550993,84968944,140049801,230836734,380476447,627119783,1033648857

%N Number of compositions (ordered partitions) of n into Lucas numbers (beginning with 1) (A000204).

%H Eric Weisstein's World of Mathematics, <a href="http://mathworld.wolfram.com/LucasNumber.html">Lucas Number</a>

%H <a href="/index/Com#comp">Index entries for sequences related to compositions</a>

%F G.f.: 1/(1 - Sum_{k>=1} x^A000204(k)).

%e a(4) = 4 because we have [4], [3, 1], [1, 3] and [1, 1, 1, 1].

%t CoefficientList[Series[1/(1 - Sum[x^LucasL[k], {k, 1, 15}]), {x, 0, 43}], x]

%Y Cf. A000204, A003263, A067592, A076739, A080888.

%K nonn

%O 0,4

%A _Ilya Gutkovskiy_, Jun 04 2017

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Last modified April 24 20:08 EDT 2024. Contains 371963 sequences. (Running on oeis4.)