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A074187 Largest power (>=2) <= n!. 1
1, 1, 4, 16, 100, 676, 4913, 40000, 362404, 3625216, 39904489, 478996996, 6226945921, 87177877081, 1307672296225, 20922784184449, 355687416544329, 6402373660047556, 121645099966283776, 2432902006216007824 (list; graph; refs; listen; history; internal format)
OFFSET

1,3

EXAMPLE

a(7) = 4913 = 17^3 < 5040=7! There is no perfect power between 4913 and 5040.

CROSSREFS

Cf. A074188.

Cf. A055226. It seems that a(n)=A055226(n)^2 for n>7.

Sequence in context: A121142 A087296 A065731 * A111883 A094637 A203716

Adjacent sequences:  A074184 A074185 A074186 * A074188 A074189 A074190

KEYWORD

nonn

AUTHOR

Amarnath Murthy (amarnath_murthy(AT)yahoo.com), Aug 31 2002

EXTENSIONS

More terms from Hugo Pfoertner (hugo(AT)pfoertner.org), Jul 20 2004

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Last modified February 17 21:13 EST 2012. Contains 206085 sequences.