0,1

a(7) > 1e8.

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

7 is a member as 13 divides 7*11 + 1 = 78. 17 is a member as 23 divides 17*19 -1 = 322.

Sequence in context: A083822 A030086 A078721 * A158498 A267601 A155548

Adjacent sequences: A077004 A077005 A077006 * A077008 A077009 A077010

nonn

Amarnath Murthy, Oct 26 2002

One more term from Ralf Stephan, Oct 31 2002

approved