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A134721
Bisection of Mersenne primes
A000668
.
3
3, 31, 8191, 524287, 2305843009213693951, 162259276829213363391578010288127
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OFFSET
1,1
LINKS
Table of n, a(n) for n=1..6.
FORMULA
a(n) =
A000668
(2*n - 1).
EXAMPLE
a(3) = 8191 because the (2*3-1=5)th Mersenne prime is 8191.
CROSSREFS
Cf.
A000668
,
A134722
.
Sequence in context:
A048562
A022499
A129209
*
A002707
A283247
A261472
Adjacent sequences:
A134718
A134719
A134720
*
A134722
A134723
A134724
KEYWORD
easy
,
nonn
AUTHOR
Omar E. Pol
, Nov 11 2007
STATUS
approved
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Last modified April 19 14:10 EDT 2024. Contains 371792 sequences. (Running on oeis4.)