(1/8)*number of equilateral triangles that can be formed from the points of an (n+1)X(n+1)X(n+1) lattice cube.
A103501
(1/8)*number of equilateral triangles that can be formed from the points of an (n+1)X(n+1)X(n+1) lattice cube.
Terms
- a(0) =1a(1) =10a(2) =46a(3) =158a(4) =431a(5) =974a(6) =2022a(7) =3837a(8) =6777a(9) =11263a(10) =17947a(11) =27541a(12) =40835a(13) =58904a(14) =83081a(15) =114543a(16) =155232a(17) =206901a(18) =271573a(19) =351583a(20) =449833a(21) =569225a(22) =712847a(23) =884408a(24) =1088136a(25) =1328616a(26) =1610007a(27) =1937077a(28) =2315434a(29) =2750476
External references
- oeis: A103501