A102776 Largest number k > 0 such that k! has only n zeros, or zero if no such number exists.

4, 9, 14, 0, 17, 23, 24, 31, 33, 40, 36, 47, 44, 45, 49, 41, 46, 58, 55, 60, 70, 69, 67, 74, 76, 78, 97, 87, 99, 92, 100, 0, 95, 104, 89, 113, 106, 102, 112, 111, 118, 108, 123, 0, 116, 120, 131, 125, 129

Offset

0,1

Links

Table of n, a(n) for n=0..48.

Example

a(1)=9: 9!=362880, which has only 1 zero. Other factorials with only 1 zero are 5! and 6!.

Crossrefs

Sequence in context: A042323 A042083 A264733 * A140343 A279230 A244037

Adjacent sequences: A102773 A102774 A102775 * A102777 A102778 A102779

Keyword

base,nonn

Author

Ray G. Opao, Feb 11 2005

Status

approved