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A067851
Numbers k such that prime(k) divides prime(k^2)-1.
1
2, 26, 170, 321
OFFSET
1,1
EXAMPLE
Prime(26) = 101 divides prime(26^2)-1 = 5050 = 50*101, so 26 is a term of the sequence.
MATHEMATICA
Do[If[Mod[Prime[n^2] - 1, Prime[n]] == 0, Print[n]], {n, 1, 10^4}]
CROSSREFS
Cf. A067852.
Sequence in context: A132470 A153913 A246586 * A072415 A197468 A184354
KEYWORD
nonn,more
AUTHOR
Joseph L. Pe, Feb 15 2002
STATUS
approved