Waring's problem: least positive integer requiring maximum number of terms when expressed as a sum of positive n-th powers.
A018886
Waring's problem: least positive integer requiring maximum number of terms when expressed as a sum of positive n-th powers.
Terms
- a(0) =1a(1) =7a(2) =23a(3) =79a(4) =223a(5) =703a(6) =2175a(7) =6399a(8) =19455a(9) =58367a(10) =176127a(11) =528383a(12) =1589247a(13) =4767743a(14) =14319615a(15) =42991615a(16) =129105919a(17) =387186687a(18) =1161822207a(19) =3486515199a(20) =10458497023a(21) =31377588223a(22) =94136958975a(23) =282427654143a(24) =847282962431
External references
- oeis: A018886