

A265079


Numbers n such that the Crandall number C = A262961(n) has exactly one prime divisor p >= n/2.


2



3, 5, 7, 9, 11, 33, 36, 49, 453, 727, 1560, 1569, 1627, 5078, 6605, 17663, 27281, 29298, 29708, 39509, 98653
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OFFSET

1,1


COMMENTS

If a Crandall number C = A262961(n) is an even semiprime, then n is a term of this sequence.  Altug Alkan, Dec 30 2015


LINKS



EXAMPLE

5 is a term because A262961(5) = 302 and its prime divisors are 2, 151 and only 151 >= 5/2.


CROSSREFS



KEYWORD

nonn,more


AUTHOR



STATUS

approved



