a(1) = 3 ; a(n+1) is the prime number obtained by the concatenation {p, a(n)} where p is the smallest prime prefix.

A202997

a(1) = 3 ; a(n+1) is the prime number obtained by the concatenation {p, a(n)} where p is the smallest prime prefix.

Terms

    a(0) =3a(1) =23a(2) =223a(3) =31223a(4) =231223a(5) =31231223a(6) =2931231223a(7) =372931231223

External references