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Search: id:A096318
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| A096318 |
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a(n) is the prime the precedes the first occurrence of a prime gap of 2n where the product of the smallest prime factor of each composite number in the gap is minimal. |
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+0
2
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| 3, 7, 23, 89, 409, 199, 113, 22621, 9109, 27827, 9439, 89867, 803867, 323509, 409187, 901367, 134293
(list; graph; listen)
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OFFSET
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1,1
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EXAMPLE
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a(3) = 23. This precedes the composite numbers 24,25,26,27,28 whose smallest rime factors are 2,5,2,3,2, respectively. Their product is 120, which is minimal.
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CROSSREFS
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Cf. A096317.
Sequence in context: A080355 A100964 A080077 this_sequence A133788 A120271 A048721
Adjacent sequences: A096315 A096316 A096317 this_sequence A096319 A096320 A096321
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KEYWORD
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nonn
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AUTHOR
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Ray G. Opao (1260(AT)email.com), Aug 02 2004
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