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A005844
a(n+1) = 2^a(n) - 1.
(Formerly M2707)
0
3, 7, 127, 170141183460469231731687303715884105727
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OFFSET
0,1
REFERENCES
P. Ribenboim, The Book of Prime Number Records. Springer-Verlag, NY, 2nd ed., 1989, p. 81.
N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence).
LINKS
Table of n, a(n) for n=0..3.
CROSSREFS
Subsequence of
A007013
.
Sequence in context:
A128071
A079622
A182330
*
A347515
A156521
A012636
Adjacent sequences:
A005841
A005842
A005843
*
A005845
A005846
A005847
KEYWORD
dead
STATUS
approved
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Last modified May 4 11:01 EDT 2024. Contains 372240 sequences. (Running on oeis4.)