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A133052 Cubes of perfect numbers. 0
216, 21952, 122023936, 536971313152, 37765098493683020333056, 633810793114959508165535727616, 2596133574015276570584768736919552, 12259964309800138562370625617974597033693433427658801152 (list; graph; refs; listen; history; internal format)
OFFSET

1,1

FORMULA

a(n) = A000396(n)^3

EXAMPLE

a(2)=21952 because the second perfect number is 28 and 28^3=21952.

CROSSREFS

Cf. A000578, A030078. Perfect numbers: A000396.

Sequence in context: A017595 A131643 A046234 * A078204 A201248 A207314

Adjacent sequences:  A133049 A133050 A133051 * A133053 A133054 A133055

KEYWORD

nonn

AUTHOR

Omar E. Pol (info(AT)polprimos.com), Oct 30 2007

EXTENSIONS

More terms from Olaf Voss (richyfourtythree(AT)yahoo.com), Feb 13 2008

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Last modified February 17 04:58 EST 2012. Contains 205985 sequences.