62292
domain: N
Appears in sequences
- Expansion of 1/((1+x)*(1-x)^11).at n=9A001786
- Number of nodes of odd outdegree in all ordered rooted (planar) trees with n edges.at n=9A014300
- Let pi be an unrestricted partition of n with the summands written in binary notation. a(n) is the number of such partitions whose binary representation has an odd number of binary ones.at n=47A102437
- A tree-node counting triangle.at n=56A109244
- A Fine number related number triangle.at n=45A124392
- a(n) = A170803(n-1) + 2, with a(0) = 1, a(1) = 2.at n=25A170805
- Number left factors of Dyck paths of length n and having no hills; a hill is a (1,1)-step starting at level 0 and followed by a (1,-1)-step.at n=19A191526
- Number of (n+1) X 3 0..1 matrices with each 2 X 2 subblock idempotent.at n=17A224544
- A sequence giving the solution to the problem of identifying two complementary defectives.at n=25A239915