132089
domain: N
Appears in sequences
- Triangle T(n,k) = 3*binomial(n, k)^2 - binomial(n, k) - 1, read by rows.at n=59A144404
- Triangle T(n,k) = 3*binomial(n, k)^2 - binomial(n, k) - 1, read by rows.at n=61A144404
- 1/9 the number of (n+1) X (n+1) 0..2 arrays with all 2 X 2 subblocks having the same four values.at n=14A184040
- Number of (undirected) cycles in the graph C_4 X C_n.at n=2A339075
- Number of (undirected) cycles in the graph C_5 X C_n.at n=1A358855