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%I #25 Aug 31 2020 04:35:26
%S 5,7,13,17,61
%N Mersenne exponents whose corresponding prime can be expressed as the sum of at least two consecutive primes.
%C 127 is a term.
%H Carlos Rivera, <a href="https://www.primepuzzles.net/puzzles/puzz_456.htm">Puzzle 456. Mersenne Primes as a sum of consecutive primes</a>, The Prime Puzzles and Problems Connection.
%e 5 is a term because 2^5-1 = 7 + 11 + 13.
%e 17 is a term because 2^17-1 = 43669 + 43691 + 43711.
%o (PARI) isok(m) = my(p=2^m-1); isprime(p) && isA050936(p);
%Y Cf. A000043 (Mersenne exponents), A000668, A050936, A067377.
%K nonn,more
%O 1,1
%A _Michel Marcus_, Aug 30 2020
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