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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 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

LINKS

Table of n, a(n) for n=1..7.

CROSSREFS

Cf. A000043.

Sequence in context: A089747 A274170 A173144 * A005250 A162762 A156097

Adjacent sequences:  A049012 A049013 A049014 * A049016 A049017 A049018

KEYWORD

nonn,less,more

AUTHOR

G. L. Honaker, Jr.

STATUS

approved

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Last modified July 1 10:54 EDT 2022. Contains 354972 sequences. (Running on oeis4.)