Number of orbits on points that are at n steps from the origin in the f.c.c. lattice.

A008368

Number of orbits on points that are at n steps from the origin in the f.c.c. lattice.

Terms

    a(0) =1a(1) =1a(2) =3a(3) =4a(4) =7a(5) =8a(6) =13a(7) =14a(8) =20a(9) =22a(10) =29a(11) =31a(12) =40

External references