54548
domain: N
Appears in sequences
- Number of nonseparable planar tree-rooted maps with n edges.at n=8A004304
- a(n) = 4394*n + 1820.at n=12A156636
- Triangle read by rows: T(n,k) is the number of ascent sequences of length n with last occurrence of the maximal value at position k-1.at n=53A218581
- Expansion of Product_{k>=1} (1+x^k)^(k*(k-1)*(k-2)/6).at n=18A258346