a(n) is the least number that is the sum of two cubes of primes and is 2^n times an odd prime, or -1 if there is no such number.
A359447
a(n) is the least number that is the sum of two cubes of primes and is 2^n times an odd prime, or -1 if there is no such number.
Terms
- a(0) =-1a(1) =-1a(2) =152a(3) =2224a(4) =9056a(5) =108736a(6) =-1a(7) =4532992a(8) =34674176a(9) =268684288a(10) =2280249344a(11) =18693763072a(12) =138890141696
External references
- oeis: A359447