Value of T[4] after the n-th iteration, when the map T is initialized with T[1] = 1 and in subsequent iterations, T[v] = k + (T[v] if defined else 0) for all key-value pairs (k, v) in T; a(n) = 0 if T[4] isn't defined yet.
A390944
Value of T[4] after the n-th iteration, when the map T is initialized with T[1] = 1 and in subsequent iterations, T[v] = k + (T[v] if defined else 0) for all key-value pairs (k, v) in T; a(n) = 0 if T[4] isn't defined yet.
Terms
- a(0) =0a(1) =0a(2) =0a(3) =0a(4) =1a(5) =4a(6) =10a(7) =12a(8) =24a(9) =46a(10) =80a(11) =160a(12) =320a(13) =616a(14) =1222a(15) =2444a(16) =4842a(17) =9684a(18) =19368a(19) =38736a(20) =77472a(21) =154944a(22) =309888a(23) =619776a(24) =1239552a(25) =2479104a(26) =4958208a(27) =9916416a(28) =19832832a(29) =39665664
External references
- oeis: A390944