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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 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,2
LINKS
CROSSREFS
Cf. A000043.
Sequence in context: A162762 A156097 A288793 * A039597 A317979 A359090
KEYWORD
nonn,less,more
AUTHOR
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.)