880685
domain: N
Appears in sequences
- Crystal ball sequence for 6-dimensional cubic lattice.at n=14A001848
- a(n) = n*(4*n^6 + 70*n^4 + 196*n^2 + 45)/315.at n=13A099193
- Number of peaks of the form Ud in all paths from (0,0) to (3n,0) that stay in the first quadrant (but may touch the horizontal axis), consisting of steps u=(2,1), U=(1,2), or d=(1,-1).at n=6A108427
- Crystal ball sequence for the lattice C_7.at n=6A305721