1,3

Union of A089038 and A111223.

Table of n, a(n) for n=1..58.

Reap[Do[If[PrimeQ[2*n+5]&&PrimeQ[5*n+2], Sow[n]], {n, 0, 600}]][[2, 1]]

Cf. A089038, A111223.

Sequence in context: A088649 A020498 A200567 * A215800 A103601 A291344

Adjacent sequences: A107768 A107769 A107770 * A107772 A107773 A107774

nonn

Zak Seidov, Mar 31 2006

approved