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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 November 28 11:45 EST 2024. Contains 378201 sequences.
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