a(1) = 6; a(2n) = smallest prime starting (most significant digits) with a(2n-1). a(2n+1) = smallest prime ending (least significant digits)in a(2n).

A069633

a(1) = 6; a(2n) = smallest prime starting (most significant digits) with a(2n-1). a(2n+1) = smallest prime ending (least significant digits)in a(2n).

Terms

    a(0) =6a(1) =61a(2) =461a(3) =46103a(4) =546103a(5) =5461031a(6) =55461031a(7) =554610311a(8) =12554610311a(9) =125546103119

External references