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Integer values of 1/(3/4-sum(i = 1,m,i/3^i)).
0

%I #6 Mar 30 2012 18:39:10

%S 12,78732,200126180395998828,

%T 29580416459496810047953577440487325756896718148771211628,

%U 859701978563120631640435743558342557761001110865498968863348734354573094697208147363766878468578515487017135250188680524136048749696547808864928561464719649040763860770252

%N Integer values of 1/(3/4-sum(i = 1,m,i/3^i)).

%C sum(i>=1,i/3^i) = 3/4

%F a(n) = 4*sqrt(3)^(3^n-2n-3)

%o (PARI) a(n)=4*3^((3^n-2*n-3)/2)

%K nonn

%O 2,1

%A _Benoit Cloitre_, Oct 25 2002