740025
domain: N
Appears in sequences
- Triangle read by rows: T(n,k) is the number of noncrossing trees with n edges in which the maximum number of contiguous border edges starting from the root in counterclockwise direction is equal to k.at n=55A102593
- Number of noncrossing trees with n edges and having degree of the root at least 2.at n=10A102893
- Expansion of 1/(1 - 11*x + 45*x^2 - 84*x^3 + 70*x^4 - 21*x^5 + x^6).at n=8A122589
- The 3rd Witt transform of A000217.at n=22A147618
- Number of nX8 binary arrays without the pattern 0 1 diagonally or vertically.at n=9A188842