a(1) = 4; a(2n) = smallest prime starting (most significant digits) with a(2n-1). a(2n+1) = smallest prime ending (least significant digits)in a(2n).

A069631

a(1) = 4; 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) =4a(1) =41a(2) =241a(3) =2411a(4) =32411a(5) =324113a(6) =6324113a(7) =63241133a(8) =1563241133a(9) =15632411339a(10) =815632411339

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