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URL: https://oeis.org/A138835

⇱ A138835 - OEIS

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A138835
Bisection of even superperfect numbers A061652.
0
4, 64, 65536, 1073741824, 309485009821345068724781056, 85070591730234615865843651857942052864
OFFSET
1,1
COMMENTS
Also, bisection of superperfect numbers A019279, if there are no odd superperfect numbers.
Next terms have 183, 663 and more digits and are therefore not listed. - R. J. Mathar, May 22 2008
KEYWORD
nonn
AUTHOR
Omar E. Pol, Apr 06 2008
STATUS
approved