1,2

If n=109 then 5*n + 12 = 557 (prime).

Select[Range[300], PrimeQ[5 # + 12] &]

Cf. A024894, A087505, A024897, A081759.

Sequence in context: A164316 A107448 A147853 this_sequence A084197 A073681 A155772

Adjacent sequences: A111223 A111224 A111225 this_sequence A111227 A111228 A111229

nonn

Parthasarathy Nambi (PachaNambi(AT)yahoo.com), Oct 26 2005