1,1

See comment in A245024.

The sequence contains all squares of primes more than 3. Indeed, since for such primes lpf(p^2+2)=3, then p^2+3 is in A245024.

Table of n, a(n) for n=1..53.

Cf. A245024, A243937.

Sequence in context: A198591 A069063 A064937 * A091300 A112771 A278931

Adjacent sequences: A245269 A245270 A245271 * A245273 A245274 A245275

nonn

Vladimir Shevelev, Jul 16 2014

More terms from Peter J. C. Moses, Jul 16 2014

approved