Number of points of L1 norm 11 in cubic lattice Z^n.

Terms

a(0) =0a(1) =2a(2) =44a(3) =486a(4) =3608a(5) =20330a(6) =93060a(7) =361550a(8) =1229360a(9) =3742290a(10) =10377180a(11) =26572086a(12) =63521352a(13) =143027898a(14) =305568564a(15) =623207070a(16) =1219605600a(17) =2300164770a(18) =4196289420a(19) =7428962950a(20) =12798246520a(21) =21507034122