53516
domain: N
Appears in sequences
- a(n) = binomial(n+3,6) + binomial(n+1,5) + binomial(n,5).at n=14A005732
- Total number of triangles visible in regular n-gon with all diagonals drawn.at n=14A006600
- T(n,n), array T as in A047060.at n=10A047062
- Number of chess positions that can be obtained in exactly one way in n plies.at n=5A089957
- Number of asymmetric solid partitions under mirroring operation.at n=14A096574
- Total number of triangles visible in a regular (2n+1)-gon with all diagonals drawn.at n=7A341441