a(n) is the smallest number which can be represented as the sum of n distinct perfect powers (A001597) in exactly n ways, or -1 if no such number exists.
A363040
a(n) is the smallest number which can be represented as the sum of n distinct perfect powers (A001597) in exactly n ways, or -1 if no such number exists.
Terms
- a(0) =1a(1) =17a(2) =37a(3) =53a(4) =86a(5) =119a(6) =177a(7) =215a(8) =275a(9) =331a(10) =424a(11) =516a(12) =632a(13) =764a(14) =928a(15) =1057a(16) =1247a(17) =1427a(18) =1635a(19) =1879a(20) =2119a(21) =2409a(22) =2715a(23) =3008a(24) =3395a(25) =3760a(26) =4189a(27) =4667a(28) =5171a(29) =5617
External references
- oeis: A363040