a(1) = 13, a(n) is smallest prime of the form k*a(n-1) + 1.

A214523

a(1) = 13, a(n) is smallest prime of the form k*a(n-1) + 1.

Terms

    a(0) =13a(1) =53a(2) =107a(3) =643a(4) =7717a(5) =30869a(6) =432167a(7) =6050339a(8) =12100679a(9) =169409507a(10) =9148113379a(11) =439109442193

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