A074188 - OEIS

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A074188

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

1

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

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OFFSET

1,2

LINKS

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

EXAMPLE

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

CROSSREFS

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