A074188 Smallest power (>=2) >= n!.

1, 4, 8, 25, 121, 729, 5041, 40401, 363609, 3629025, 39917124, 479040769, 6227103744, 87178467600, 1307674583296, 20922793332736, 355687454263684, 6402373820077225, 121645100663836929, 2432902009335560361

Offset

1,2

Links

Table of n, a(n) for n=1..20.

Example

a(3) = 8 = 2^3 > 6=3!.

Crossrefs

Cf. A074187.

Cf. A055228. It seems that a(n)=A055228(n)^2 for n>3.

Sequence in context: A174171 A262042 A227644 * A126733 A297695 A333894

Adjacent sequences: A074185 A074186 A074187 * A074189 A074190 A074191

Keyword

nonn

Author

Amarnath Murthy, Aug 31 2002

Extensions

More terms from Hugo Pfoertner, Jul 20 2004

Status

approved