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.

0, 3, 34, 52, 2800414

Offset

1,2

Comments

No other terms below 10^15. - Max Alekseyev, Jul 21 2024

Links

Table of n, a(n) for n=1..5.

Example

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

Crossrefs

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

Sequence in context: A037103 A197220 A042821 * A074692 A003348 A344641

Adjacent sequences: A110067 A110068 A110069 * A110071 A110072 A110073

Keyword

base,hard,more,nonn

Author

Farideh Firoozbakht, Jul 22 2005

Status

approved