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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

Table of n, a(n) for n=0..5.

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.)