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A181658 Row sums of A181657. 1

%I

%S 1,2,3,7,8,19,20,48,49,118,119,287,288,695,696,1680,1681,4058,4059,

%T 9799,9800,23659,23660,57120,57121,137902,137903,332927,332928,803759,

%U 803760,1940448,1940449,4684658,4684659,11309767,11309768,27304195,27304196

%N Row sums of A181657.

%H <a href="/index/Rec#order_06">Index entries for linear recurrences with constant coefficients</a>, signature (0,3,0,-1,0,-1)

%F G.f.: (1+2x+x^3)/(1-3x^2+x^4+x^6)=(1+2x+x^3)/((1-x^2)(1-2x^2-x^4)).

%Y Cf. A048739 (bisection).

%K easy,nonn

%O 0,2

%A _Paul Barry_, Nov 03 2010

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Last modified June 22 07:09 EDT 2021. Contains 345374 sequences. (Running on oeis4.)