a(n) = the smallest multiple of the n-th prime such that (a(n)+1) is divisible by both the (n-1)th prime and the (n+1)st prime.

A143243

a(n) = the smallest multiple of the n-th prime such that (a(n)+1) is divisible by both the (n-1)th prime and the (n+1)st prime.

Terms

    a(0) =9a(1) =20a(2) =329a(3) =363a(4) =1495a(5) =493a(6) =2736a(7) =12121a(8) =8555a(9) =19313a(10) =25419a(11) =7954a(12) =30831a(13) =102554a(14) =69324a(15) =174581a(16) =19764a(17) =229542a(18) =303241a(19) =33653a(20) =139356a(21) =267177a(22) =611875a(23) =26966a(24) =629432a(25) =972629a(26) =449079a(27) =822187a(28) =27685a(29) =503301

External references