A110070 - OEIS

%I #9 Jul 22 2024 03:35:02

%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.

%C No other terms below 10^15. - _Max Alekseyev_, Jul 21 2024

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

%Y Cf. A110071, A110072, A097220, A097223, A097227, A098683, A098684, A098685.

%K base,hard,more,nonn

%O 1,2

%A _Farideh Firoozbakht_, Jul 22 2005