Numbers n such that sigma(n^3) is the sum of two positive cubes.
A281364
Numbers n such that sigma(n^3) is the sum of two positive cubes.
Terms
- a(0) =21a(1) =22a(2) =55a(3) =129a(4) =511a(5) =770a(6) =1070a(7) =1071a(8) =1074a(9) =1434a(10) =1708a(11) =1914a(12) =2721a(13) =2926a(14) =3080a(15) =4195a(16) =4464a(17) =4814a(18) =4879a(19) =5236a(20) =5907a(21) =6086a(22) =6114a(23) =7228a(24) =7831a(25) =8029a(26) =8289a(27) =9086a(28) =10149a(29) =10547
External references
- oeis: A281364