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A114071 sigma(n) + n is a fourth power. 0
33, 7153, 16065, 29976, 36673, 39169, 117985, 849385, 2475045, 2757073, 5421336, 7137025, 9474784, 10797120, 11596833, 13627248, 15714240, 25586785, 26821458, 28849249, 37001785, 40441441, 43751896, 69748561, 70338768, 95516836 (list; graph; refs; listen; history; internal format)
OFFSET

1,1

EXAMPLE

sigma(33) + 33 = 81 = 3^4.

CROSSREFS

Sequence in context: A111922 A136541 A183551 * A057981 A183237 A099828

Adjacent sequences:  A114068 A114069 A114070 * A114072 A114073 A114074

KEYWORD

nonn

AUTHOR

Giovanni Resta (g.resta(AT)iit.cnr.it), Feb 13 2006

EXTENSIONS

a(9)-a(26) from Donovan Johnson (donovan.johnson(AT)yahoo.com), Feb 01 2009

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Last modified February 15 23:53 EST 2012. Contains 205860 sequences.