2,1
168*41^2-1=282407, 282407 and 282409 are twin primes so k(2)=168
See prime sequence in A112550
Sequence in context: A157998 A110285 A070835 this_sequence A110075 A003807 A011785
Adjacent sequences: A112548 A112549 A112550 this_sequence A112552 A112553 A112554
nonn
Pierre CAMI (pierrecami(AT)tele2.fr), Sep 13 2005
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