1,2

Smallest k such that k*prime(n) + k - 1 is a prime.

Cf. A060324.

Sequence in context: A152981 A112040 A084611 this_sequence A023212 A106952 A106951

Adjacent sequences: A078451 A078452 A078453 this_sequence A078455 A078456 A078457

more,nonn

Amarnath Murthy (amarnath_murthy(AT)yahoo.com), Dec 23 2002