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Search: id:A065316
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| A065316 |
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Largest prime divisor of n-th primorial - (n+1)-st prime. |
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+0
1
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| 23, 199, 2297, 30013, 12451, 9699667, 79139, 122069683, 9241993, 77184383, 211941187, 72280449346243, 73629553, 142226610221, 131076443530861861, 382046844818915214929, 1348764323657, 1822793973448088839487
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OFFSET
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3,1
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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, 4t prime=7. difference=23, a(3)=23.
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CROSSREFS
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Cf. A002110, A000040, A006530, A006530, A057713, A002584, A002585, A051342 A065314-A065317.
Sequence in context: A108646 A058193 A065314 this_sequence A060882 A128334 A107956
Adjacent sequences: A065313 A065314 A065315 this_sequence A065317 A065318 A065319
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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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