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 A025886 Expansion of 1/((1-x^5)(1-x^7)(1-x^12)). 1

%I

%S 1,0,0,0,0,1,0,1,0,0,1,0,2,0,1,1,0,2,0,2,1,1,2,0,3,1,2,2,1,3,1,3,2,2,

%T 3,2,4,2,3,3,3,4,3,4,3,4,4,4,5,4,5,4,5,5,5,6,5,6,5,6,7,6,7,6,7,7,7,8,

%U 7,8,8,8,9,8,9,9,9,10,9,10

%N Expansion of 1/((1-x^5)(1-x^7)(1-x^12)).

%H <a href="/index/Rec#order_24">Index entries for linear recurrences with constant coefficients</a>, signature (0,0,0,0,1,0,1,0,0,0,0,0,0,0,0,0,-1,0,-1,0,0,0,0,1).

%F For n>23, a(n)=a(n-5)+a(n-7)-a(n-17)-a(n-19)+a(n-24). - _Harvey P. Dale_, Sep 28 2012

%t CoefficientList[Series[1/((1-x^5)(1-x^7)(1-x^12)),{x,0,80}],x] (* _Harvey P. Dale_, Sep 28 2012 *)

%t LinearRecurrence[{0,0,0,0,1,0,1,0,0,0,0,0,0,0,0,0,-1,0,-1,0,0,0,0,1},{1,0,0,0,0,1,0,1,0,0,1,0,2,0,1,1,0,2,0,2,1,1,2,0},80] (* _Harvey P. Dale_, Nov 02 2021 *)

%o (PARI) Vec(1/((1-x^5)*(1-x^7)*(1-x^12))+O(x^99)) \\ _Charles R Greathouse IV_, Sep 27 2012

%K nonn,easy

%O 0,13

%A _N. J. A. Sloane_.

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Last modified January 24 13:48 EST 2022. Contains 350538 sequences. (Running on oeis4.)