a(0) = 16, 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).
A246345
a(0) = 16, 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) =16a(1) =29a(2) =34a(3) =61a(4) =49a(5) =89a(6) =106a(7) =199a(8) =389a(9) =310a(10) =617a(11) =524a(12) =694a(13) =1207a(14) =1921a(15) =3097a(16) =3899a(17) =4142a(18) =3374a(19) =3674a(20) =4234a(21) =8461a(22) =16903a(23) =20211a(24) =37841a(25) =22408a(26) =26853a(27) =26391a(28) =48031a(29) =68605
External references
- oeis: A246345