A072419 Smallest factorial containing exactly n 0's, or 0 if no such factorial exists.

120, 5040, 0, 479001600, 6402373705728000, 121645100408832000, 2432902008176640000, 1124000727777607680000, 15511210043330985984000000, 304888344611713860501504000000

Offset

1,1

Comments

a(3)=0 since no factorial can contain just three zeros.

Links

Table of n, a(n) for n=1..10.

Example

a(2)=5040, so 5040 is the smallest factorial containing exactly two 0's.

Crossrefs

Cf. A072417.

Sequence in context: A223754 A174686 A140907 * A246193 A246613 A031145

Adjacent sequences: A072416 A072417 A072418 * A072420 A072421 A072422

Keyword

base,nonn

Author

Shyam Sunder Gupta, Jul 31 2002

Status

approved