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A094633 A Lucas Jacobsthal product. 0

%I

%S 2,1,9,20,77,231,774,2465,8037,25916,84009,271635,879382,2845181,

%T 9208089,29796580,96426037,312037551,1009780614,3267709225,

%U 10574544477,34219920076,110738027409,358355719995,1159663574102,3752749988581

%N A Lucas Jacobsthal product.

%H <a href="/index/Rec#order_04">Index entries for linear recurrences with constant coefficients</a>, signature (1,7,2,-4).

%F G.f. : (2-x-6x^2)/((1-2x-4x^2)(1+x-x^2)); a(n)=L(n)*Jac(n+1)=A000032(n)*A001045(n+1).

%Y Cf. A094632, A093042.

%K easy,nonn

%O 0,1

%A _Paul Barry_, May 16 2004

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Last modified February 22 23:44 EST 2020. Contains 332157 sequences. (Running on oeis4.)