14508939
domain: N
Appears in sequences
- Number of symmetric, reduced unit interval schemes with n+1 intervals (n>=1).at n=35A005213
- Construct triangle in which n-th row is obtained by expanding (1 + x + x^2)^n and take the next-to-central column.at n=16A005717
- a(n) equals the coefficient of x^n in Sum_{m>=0} (x^m + 1 + 1/x^m)^m for n >= 1.at n=16A316591