Integers k such that both k and k^3-1 are the sum of two positive cubes (see A003325).
A271717
Integers k such that both k and k^3-1 are the sum of two positive cubes (see A003325).
Terms
- a(0) =9a(1) =11664a(2) =36864a(3) =38134a(4) =345744a(5) =1750329a(6) =4782969a(7) =20820969a(8) =47775744a(9) =65804544a(10) =95004009a(11) =150994944a(12) =448084224a(13) =733055625a(14) =1093955625a(15) =1416167424a(16) =2197265625a(17) =4318066944a(18) =5194805625a(19) =6198727824a(20) =7169347584a(21) =10771948944a(22) =13013105625a(23) =19591041024a(24) =32427005625
External references
- oeis: A271717