Number of points of L1 norm 10 in cubic lattice Z^n.

Terms

a(0) =0a(1) =2a(2) =40a(3) =402a(4) =2720a(5) =14002a(6) =58728a(7) =209762a(8) =658048a(9) =1854882a(10) =4780008a(11) =11414898a(12) =25534368a(13) =53972178a(14) =108568488a(15) =209070018a(16) =387328512a(17) =693230658a(18) =1202893992a(19) =2029779538a(20) =3339504032a(21) =5369283570a(22) =8453107432a(23) =13053926690a(24) =19804348032a(25) =29557550050a(26) =43450388072