First four terms of the sequence are doubled, then those numbers are tripled and then those numbers are quadrupled, etc.
A117826
First four terms of the sequence are doubled, then those numbers are tripled and then those numbers are quadrupled, etc.
Terms
- a(0) =1a(1) =2a(2) =3a(3) =4a(4) =2a(5) =4a(6) =6a(7) =8a(8) =6a(9) =12a(10) =18a(11) =24a(12) =24a(13) =48a(14) =72a(15) =96a(16) =120a(17) =240a(18) =360a(19) =480a(20) =720a(21) =1440a(22) =2160a(23) =2880a(24) =5040a(25) =10080a(26) =15120a(27) =20160a(28) =40320a(29) =80640
External references
- oeis: A117826