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A065314
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Smallest prime divisor of n-th primorial - (n+1)-st prime.
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4
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23, 199, 2297, 30013, 41, 9699667, 2819, 53, 21701, 79, 163, 181, 61, 1619, 14669, 307, 103, 306091, 907, 3217644767340672907899084554047, 267064515689275851355624017992701, 23768741896345550770650537601358213
(list; graph; refs; listen; history; internal format)
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OFFSET
| 3,1
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FORMULA
| a(n)=A020639[A002110(n)-A000040(n+1)]
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EXAMPLE
| n=3, 3rd primorial=30,p(4)=7,difference=23, a(3)=23.
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CROSSREFS
| Cf. A002110, A000040, A006530, A006530, A057713, A002584, A002585, A051342 A065314-A065317.
Sequence in context: A062640 A108646 A058193 * A065316 A060882 A128334
Adjacent sequences: A065311 A065312 A065313 * A065315 A065316 A065317
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KEYWORD
| nonn
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AUTHOR
| Labos E. (labos(AT)ana.sote.hu), Oct 29 2001
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