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Search: id:A085874
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| A085874 |
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a(1) = 2, a(n)= smallest prime of the form k*a(n-1) - 1 where k itself is a multiple of n. |
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1
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| 2, 3, 17, 67, 4019, 24113, 675163, 16203911, 2333363183, 23333631829, 7186758603331, 3880849645798739, 302706272372301641, 148326073462427804089, 4449782203872834122669, 498375606833757421738927
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OFFSET
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1,1
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EXAMPLE
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a(2) = 3 = 2*2 - 1, a(3) = 17 = 6*3 -1, a(4) = 67 = 4*17 - 1, 2,6, and 4 are respectively multiples of 2,3 and 4.
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CROSSREFS
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Cf. A085873.
Adjacent sequences: A085871 A085872 A085873 this_sequence A085875 A085876 A085877
Sequence in context: A106860 A042699 A078983 this_sequence A055739 A056794 A135726
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KEYWORD
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nonn
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AUTHOR
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Amarnath Murthy (amarnath_murthy(AT)yahoo.com), Jul 07 2003
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EXTENSIONS
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More terms from Ray Chandler (rayjchandler(AT)sbcglobal.net), Jul 08 2003
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