1,1

a(7)=1111233757 because it is the smallest prime containing the digits 2+3+5+7+11+13+17.

Sequence in context: A074649 A134355 A054260 this_sequence A167416 A053066 A167417

Adjacent sequences: A053157 A053158 A053159 this_sequence A053161 A053162 A053163

base,nonn

Enoch Haga (Enokh(AT)comcast.net), Mar 19 2000