Numbers that can be expressed as the sum of their first k consecutive arithmetic derivatives for some k > 1.
A216384
Numbers that can be expressed as the sum of their first k consecutive arithmetic derivatives for some k > 1.
Terms
- a(0) =6a(1) =38a(2) =42a(3) =62a(4) =146a(5) =1145a(6) =4214a(7) =15590a(8) =47058a(9) =121935a(10) =464834a(11) =4049465a(12) =4759314a(13) =7756755a(14) =15838490a(15) =18284105a(16) =127137997a(17) =132734042a(18) =141393578a(19) =353493351a(20) =435485242a(21) =470458377a(22) =1056410914
External references
- oeis: A216384