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A138834
Bisection of even superperfect numbers
A061652
.
2
2, 16, 4096, 262144, 1152921504606846976, 81129638414606681695789005144064
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OFFSET
1,1
COMMENTS
Also, bisection of superperfect numbers
A019279
, if there are no odd superperfect numbers.
LINKS
Jinyuan Wang,
Table of n, a(n) for n = 1..9
FORMULA
a(n) =
A061652
(2*n-1). -
Jinyuan Wang
, Mar 14 2020
CROSSREFS
Cf.
A019279
,
A061652
,
A099057
,
A099058
,
A134721
,
A134722
.
Sequence in context:
A158506
A167435
A270124
*
A088321
A061301
A180962
Adjacent sequences:
A138831
A138832
A138833
*
A138835
A138836
A138837
KEYWORD
nonn
AUTHOR
Omar E. Pol
, Apr 06 2008
STATUS
approved
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Last modified May 9 14:31 EDT 2024. Contains 372351 sequences. (Running on oeis4.)