1,2

Next term is greater than 2000.

Table of n, a(n) for n=1..6.

9 is in the sequence because 123456789+2 is prime.

Cf. A099081, A099083.

Sequence in context: A288143 A120228 A053749 * A062217 A190691 A135979

Adjacent sequences: A099079 A099080 A099081 * A099083 A099084 A099085

base,more,nonn

Farideh Firoozbakht, Oct 23 2004

approved