3116952
domain: N
Appears in sequences
- Coordination sequence for lattice D*_18 (with edges defined by l_1 norm = 1).at n=6A035478
- Number of points of L1 norm 6 in cubic lattice Z^n.at n=18A035600
- Coordination sequence for 18-dimensional cubic lattice.at n=6A035713
- Coordination sequence for C_18 lattice.at n=3A035755
- Coordination sequence for diamond structure D^+_18. (Edges defined by l_1 norm = 1.)at n=6A035885
- a(n) = Sum_{k=0..n} binomial(3*n,k) * binomial(4*n-k-1,n-k).at n=6A370098