19454
domain: N
Appears in sequences
- Coordination sequence for sigma-CrFe, Position Xf.at n=35A009958
- a(n) = C(n+2,3) + 2*C(n,2) + 2*(n-2).at n=45A034857
- Denominators of continued fraction convergents to sqrt(928).at n=8A042795
- Satisfies a(n)/A079159(n) = p_n, the n-th prime (n>0), a(0)=1.at n=33A079161
- a(n) = (5*n+2)*(5*n+7).at n=27A085036
- Triangle read by rows: T(n,k) is the number of ordered trees with n edges and having k branches of even length (n>=0, 0<=k<=floor(n/2)).at n=37A102004
- a(n) = (9*n+2)*(9*n+7).at n=15A177072
- Number of n-bead necklaces labeled with numbers 1..5 allowing reversal, with no adjacent beads differing by more than 1.at n=12A208718
- Number of 4-power-free binary words of length n.at n=16A273154