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A101654 a(n)=Product{k=0..n, 1+4^A010060(k)}/2. 0

%I

%S 1,5,25,50,250,500,1000,5000,25000,50000,100000,500000,1000000,

%T 5000000,25000000,50000000,250000000,500000000,1000000000,5000000000,

%U 10000000000,50000000000,250000000000,500000000000,1000000000000

%N a(n)=Product{k=0..n, 1+4^A010060(k)}/2.

%K easy,nonn

%O 0,2

%A _Paul Barry_, Dec 10 2004

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Last modified June 4 01:32 EDT 2020. Contains 334809 sequences. (Running on oeis4.)