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Search: id:A077007
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| A077007 |
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Primes (k) such that prime(k)*prime(k+1) + 1 or prime(k)*prime(k+1)- 1 is divisible by prime(k+2). |
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+0
1
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OFFSET
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0,1
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COMMENT
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a(7) > 1e8.
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EXAMPLE
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7 is a member as 13 divides 7*11 + 1 = 78. 17 is a member as 23 divides 17*19 -1 = 322.
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CROSSREFS
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Sequence in context: A083822 A030086 A078721 this_sequence A165804 A155548 A105554
Adjacent sequences: A077004 A077005 A077006 this_sequence A077008 A077009 A077010
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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), Oct 26 2002
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EXTENSIONS
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One more term from Ralf Stephan (ralf(AT)ark.in-berlin.de), Oct 31 2002
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