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A133051 Squares of perfect numbers. 0
36, 784, 246016, 66064384, 1125625045712896, 73785850399226331136, 18889393873953262403584, 5316911978187903335626628646131728384, 7067388259113537312203207839508118631205775474686154970915275376716414976 (list; graph; refs; listen; history; internal format)
OFFSET

1,1

FORMULA

a(n) = A000396(n)^2

EXAMPLE

a(2)=784 because the second perfect number is 28 and 28^2=784.

CROSSREFS

Cf. A000290, A001248. Perfect numbers: A000396.

Sequence in context: A004338 A014772 A110206 * A173187 A028222 A028216

Adjacent sequences:  A133048 A133049 A133050 * A133052 A133053 A133054

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 15 17:13 EST 2012. Contains 205828 sequences.