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 A077007 Primes (k) such that prime(k)*prime(k+1) + 1 or prime(k)*prime(k+1)- 1 is divisible by prime(k+2). 0
 2, 3, 7, 17, 31, 1321 (list; graph; refs; listen; history; text; internal format)
 OFFSET 0,1 COMMENTS a(7) > 1e8. LINKS EXAMPLE 7 is a member as 13 divides 7*11 + 1 = 78. 17 is a member as 23 divides 17*19 -1 = 322. CROSSREFS Sequence in context: A083822 A030086 A078721 * A158498 A267601 A155548 Adjacent sequences:  A077004 A077005 A077006 * A077008 A077009 A077010 KEYWORD nonn AUTHOR Amarnath Murthy, Oct 26 2002 EXTENSIONS One more term from Ralf Stephan, Oct 31 2002 STATUS approved

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Last modified August 18 13:56 EDT 2019. Contains 326100 sequences. (Running on oeis4.)