a(0) = 12, after which, if a(n-1) = product_{k >= 1} (p_k)^(c_k), then a(n) = (1/2) * (1 + product_{k >= 1} (p_{k+1})^(c_k)), where p_k indicates the k-th prime, A000040(k).
A246342
a(0) = 12, after which, if a(n-1) = product_{k >= 1} (p_k)^(c_k), then a(n) = (1/2) * (1 + product_{k >= 1} (p_{k+1})^(c_k)), where p_k indicates the k-th prime, A000040(k).
Terms
- a(0) =12a(1) =23a(2) =15a(3) =18a(4) =38a(5) =35a(6) =39a(7) =43a(8) =24a(9) =68a(10) =86a(11) =71a(12) =37a(13) =21a(14) =28a(15) =50a(16) =74a(17) =62a(18) =56a(19) =149a(20) =76a(21) =104a(22) =230a(23) =305a(24) =235a(25) =186a(26) =278a(27) =224a(28) =1337a(29) =1062
External references
- oeis: A246342