177923724072
domain: N
Appears in sequences
- Coordination sequence for 30-dimensional cubic lattice.at n=10A035725
- Coordination sequence for C_30 lattice.at n=5A035767
- Coordination sequence for lattice D*_30 (with edges defined by l_1 norm = 1).at n=10A035800
- Coordination sequence for diamond structure D^+_30. (Edges defined by l_1 norm = 1.)at n=10A035891
- a(n) = Sum_{k=0..n} binomial(3*n,k) * binomial(4*n-k-1,n-k).at n=10A370098