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Search: id:A117391
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| A117391 |
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Max{GCD(i,j): prime(n) < i < prime(n+1) < j < prime(n+2)}. |
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+0
2
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| 2, 3, 4, 4, 3, 3, 7, 6, 6, 8, 3, 3, 5, 8, 6, 6, 7, 4, 6, 5, 8, 12, 10, 3, 3, 4, 4, 14, 13, 8, 6, 6, 10, 6, 9, 5, 5, 8, 6, 10, 8, 4, 3, 11, 20, 9, 4, 4, 7, 6, 10, 11, 9, 7, 6, 6, 8, 3, 6, 19, 14, 4, 4, 15, 16, 9, 6, 4, 7, 7, 12, 9, 5, 5, 12, 10, 8, 13, 10, 10, 9, 6, 7, 8, 12, 10, 3, 3, 8, 18, 10, 8, 5, 5
(list; graph; listen)
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OFFSET
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2,1
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COMMENT
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a(A049084(A117392(n)) - 1) = n.
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EXAMPLE
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a(20) = Max{GCD(i,j): prime(20)<i<prime(21)<j<prime(22)} =
Max{GCD(i,j): 71 < i < 73 < j < 79} =
Max{GCD(72,74),GCD(72,75),GCD(72,76),GCD(72,77),GCD(72,78)} =
Max{2, 3, 4, 1, 6} = 6.
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CROSSREFS
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Sequence in context: A051951 A107898 A128863 this_sequence A129456 A030412 A059686
Adjacent sequences: A117388 A117389 A117390 this_sequence A117392 A117393 A117394
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KEYWORD
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nonn
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AUTHOR
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Reinhard Zumkeller (reinhard.zumkeller(AT)gmail.com), Mar 11 2006
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