a(1) = 1, a(2) = 7, for n >= 3, a(n) = smallest prime > a(n-1) such that a(n) mod a(n-1) = a(n-2).

A175208

a(1) = 1, a(2) = 7, for n >= 3, a(n) = smallest prime > a(n-1) such that a(n) mod a(n-1) = a(n-2).

Terms

    a(0) =1a(1) =7a(2) =29a(3) =181a(4) =4373a(5) =61403a(6) =2583299a(7) =41394187a(8) =85371673a(9) =895110917a(10) =16197368179a(11) =98079319991a(12) =800831928107

External references