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A049015
Numbers k such that the sum of the first k Mersenne prime exponents is prime.
0
1, 2, 4, 6, 8, 14, 18, 46, 48
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OFFSET
1,2
LINKS
Table of n, a(n) for n=1..9.
CROSSREFS
Cf.
A000043
.
Sequence in context:
A162762
A156097
A288793
*
A039597
A317979
A359090
Adjacent sequences:
A049012
A049013
A049014
*
A049016
A049017
A049018
KEYWORD
nonn
,
less
,
more
AUTHOR
G. L. Honaker, Jr.
EXTENSIONS
a(8)-a(9) from
Max Alekseyev
, Feb 23 2024
STATUS
approved
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Last modified March 19 01:57 EDT 2024. Contains 370952 sequences. (Running on oeis4.)