3d-congruent numbers: positive integers n for which there exists a trirectangular tetrahedron having volume n and rational areas and sides.
A297207
3d-congruent numbers: positive integers n for which there exists a trirectangular tetrahedron having volume n and rational areas and sides.
Terms
- a(0) =13a(1) =85a(2) =104a(3) =175a(4) =308a(5) =351a(6) =490a(7) =680a(8) =832a(9) =1400a(10) =1625a(11) =2295a(12) =2464a(13) =2808a(14) =3179a(15) =3920a(16) =4459a(17) =4725a(18) =5440a(19) =6656a(20) =8316a(21) =9295a(22) =9477a(23) =9724a(24) =10625a(25) =11200a(26) =13000a(27) =13230a(28) =13475a(29) =17303
External references
- oeis: A297207