35119
domain: N
Appears in sequences
- Coefficient of x^4 in expansion of (1+x+x^2)^n.at n=27A005712
- Numbers n such that phi(n + phi(n)) = sigma(n).at n=20A074874
- Numerators of partial sums of Catalan numbers scaled by powers of 1/16.at n=4A120784
- Related to enumeration of rooted catapolyoctagons (see Cyvin reference for precise definition).at n=7A121117
- a(n) = Trinomial(2*n+1, 4) = (1/6)*n*(2*n + 1)*(2*n^2 + 9*n + 1), n >= 0.at n=14A302709
- Number of cyclic edge cuts in the Plummer-Toft graph.at n=4A379848