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Search: id:A065317
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| A065317 |
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Largest prime divisor of n-th primorial + (n+1)-st prime. |
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+0
4
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| 5, 11, 37, 17, 101, 30047, 510529, 9699713, 1427, 76829, 789077, 659863, 810104837, 13082761331670077, 652833094897, 32589158477190044789, 1922760350154212639131, 28406001782370300553, 770555057
(list; graph; listen)
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OFFSET
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1,1
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FORMULA
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a(n)=A006530[A002110(n)+A000040(n+1)]
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EXAMPLE
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n=3,3rd primorial=30,p(4)=7, sum=37, a(3)=37.
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CROSSREFS
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A002110, A000040, A006530, A006530, A057713, A002584, A002585, A051342 A065314-A065317.
Sequence in context: A054854 A005178 A065315 this_sequence A152563 A074497 A077466
Adjacent sequences: A065314 A065315 A065316 this_sequence A065318 A065319 A065320
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KEYWORD
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nonn
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AUTHOR
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Labos E. (labos(AT)ana.sote.hu), Oct 29 2001
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