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Search: id:A080077
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| A080077 |
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Smallest prime p such that between p and the next prime for every k = 1, ..., n there is a number m_k whose smallest prime factor is prime(k). |
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+0
1
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| 3, 7, 23, 89, 113, 1327, 1327, 1327, 1327, 35677, 35677, 343831, 343831, 4554227, 9550813, 22975847, 22975847, 55761227, 72546143, 72546143, 367876529, 367876529, 367876529, 7966080037, 13276722743, 13600393519, 13600393519
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OFFSET
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1,1
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EXAMPLE
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a(1) = 3 since between 3 and 5 we have 4 = 2*2; a(3) = 23 since between 23 and 29 we have 24 = 2*2*2*3, 27 = 3*3*3 and 25 = 5*5; a(5) = 113 since between 113 and 127 we have 114 = 2*3*19, 117 = 3*3*13, 115 = 5*23, 119 = 7*17, 121 = 11*11.
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CROSSREFS
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Sequence in context: A113860 A080355 A100964 this_sequence A096318 A133788 A120271
Adjacent sequences: A080074 A080075 A080076 this_sequence A080078 A080079 A080080
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KEYWORD
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nonn
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AUTHOR
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Klaus Brockhaus (klaus-brockhaus(AT)t-online.de), Jan 25 2003
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EXTENSIONS
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More terms from Bernardo Boncompagni (redgolpe(AT)redgolpe.com) Jul 21 2004
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