71120
domain: N
Appears in sequences
- Theta series of D_7 lattice.at n=15A008429
- Number of ways of writing n as a sum of 7 squares.at n=30A008451
- Number of unlabeled rooted trees with n vertices such that every branch of the root has a different number of nodes.at n=14A298539
- E.g.f. satisfies A(x)^(A(x)^2) = 1 + x*A(x).at n=7A355768
- a(n) = coefficient of sqrt(3) in the expansion of (2 + sqrt(2) + sqrt(3))^n.at n=8A377111