a(0) = 12, after which, if (2*a(n-1)) - 1 = product_{k >= 1} (p_k)^(c_k) then a(n) = product_{k >= 1} (p_{k-1})^(c_k), where p_k indicates the k-th prime, A000040(k).
A246343
a(0) = 12, after which, if (2*a(n-1)) - 1 = product_{k >= 1} (p_k)^(c_k) then a(n) = product_{k >= 1} (p_{k-1})^(c_k), where p_k indicates the k-th prime, A000040(k).
Terms
- a(0) =12a(1) =19a(2) =31a(3) =59a(4) =44a(5) =46a(6) =55a(7) =107a(8) =134a(9) =166a(10) =317a(11) =398a(12) =282a(13) =557a(14) =470a(15) =622a(16) =763a(17) =531a(18) =1051a(19) =1267a(20) =1807a(21) =3607a(22) =7211a(23) =4522a(24) =9041a(25) =3700a(26) =3725a(27) =3982a(28) =7951a(29) =15889
External references
- oeis: A246343