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A110070 Numbers n such that n=pi(d_1!*d_2!*...*d_k!) where d_1 d_2 ... d_k is the decimal expansion of n. 2

%I #3 Mar 30 2012 17:37:43

%S 0,3,34,52,2800414

%N Numbers n such that n=pi(d_1!*d_2!*...*d_k!) where d_1 d_2 ... d_k is the decimal expansion of n.

%e 2800414 is in the sequence because 2800414=pi(2!*8!*0!*0!*4!*1!*4!).

%Y Cf. A110071, A097223, A097227.

%K base,hard,more,nonn

%O 1,2

%A _Farideh Firoozbakht_, Jul 22 2005

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Last modified April 24 04:14 EDT 2024. Contains 371918 sequences. (Running on oeis4.)