Number of orbits on points that are at n steps from 0 in D_6 lattice.

A008371

Number of orbits on points that are at n steps from 0 in D_6 lattice.

Terms

    a(0) =1a(1) =1a(2) =4a(3) =8a(4) =16a(5) =27a(6) =47a(7) =72a(8) =112a(9) =163a(10) =235a(11) =325a(12) =448

External references