Composite Fibonacci sequence: each term is the composite with index equal to the sum of the previous two terms.
A107390
Composite Fibonacci sequence: each term is the composite with index equal to the sum of the previous two terms.
Terms
- a(0) =4a(1) =6a(2) =18a(3) =36a(4) =76a(5) =147a(6) =285a(7) =532a(8) =984a(9) =1795a(10) =3237a(11) =5793a(12) =10293a(13) =18168a(14) =31887a(15) =55709a(16) =96926a(17) =167972a(18) =290136a(19) =499615a(20) =857947a(21) =1469576a(22) =2511369a(23) =4282663a(24) =7289002a(25) =12383250a(26) =21002336a(27) =35564859a(28) =60136917a(29) =101547211
External references
- oeis: A107390