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A139411 Numbers n such that pi(n)=10^pi(d_1)+10^pi(d_2)+...+10^pi(d_k) where d_1d_2...d_k is the decimal expansion of n. 1

%I #2 Mar 30 2012 17:37:44

%S 227473,227474,227483,227484,239853,239854

%N Numbers n such that pi(n)=10^pi(d_1)+10^pi(d_2)+...+10^pi(d_k) where d_1d_2...d_k is the decimal expansion of n.

%e pi(239854)=10^pi(2)+10^pi(3)+10^pi(9)+10^pi(8)+10^pi(5)+10^pi(4).

%Y Cf. A139412.

%K base,fini,full,nonn

%O 1,1

%A _Farideh Firoozbakht_, May 11 2008

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Last modified April 19 04:35 EDT 2024. Contains 371782 sequences. (Running on oeis4.)