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A077005
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Smallest k such that prime(n) divides k*prime(n-1) +1, n>1.
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3
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1, 3, 4, 3, 7, 13, 10, 6, 5, 16, 31, 31, 22, 12, 9, 10, 31, 56, 18, 37, 66, 21, 15, 85, 76, 52, 27, 55, 85, 118, 33, 23, 70, 15, 76, 131, 136, 42, 29, 30, 91, 172, 97, 148, 100, 88, 93, 57, 115, 175, 40, 121, 226, 43, 44, 45, 136, 231, 211, 142, 88, 22, 78, 157, 238, 71, 281
(list; graph; refs; listen; history; internal format)
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OFFSET
| 2,2
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EXAMPLE
| a(4) = 3 as prime(5) =11 divides 3*7 +1, where 7 = prime(4).
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CROSSREFS
| Cf. A069830.
Sequence in context: A141730 A127737 A163108 * A134065 A015887 A077628
Adjacent sequences: A077002 A077003 A077004 * A077006 A077007 A077008
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KEYWORD
| nonn,easy
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AUTHOR
| Amarnath Murthy (amarnath_murthy(AT)yahoo.com), Oct 26 2002
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EXTENSIONS
| More terms from Ralf Stephan (ralf(AT)ark.in-berlin.de), Oct 31 2002
More terms from Ray Chandler (rayjchandler(AT)sbcglobal.net), Oct 24 2003
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