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URL: https://oeis.org/A138834

⇱ A138834 - OEIS

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A138834
Bisection of even superperfect numbers A061652.
2
2, 16, 4096, 262144, 1152921504606846976, 81129638414606681695789005144064
OFFSET
1,1
COMMENTS
Also, bisection of superperfect numbers A019279, if there are no odd superperfect numbers.
LINKS
FORMULA
a(n) = A061652(2*n-1). - Jinyuan Wang, Mar 14 2020
CROSSREFS
KEYWORD
nonn
AUTHOR
Omar E. Pol, Apr 06 2008
STATUS
approved