23535794706
domain: N
Appears in sequences
- Number of closed walks of length n along the edges of a tetrahedron based at a vertex.at n=23A054878
- a(n) = 3*(9^n - 1)/4.at n=11A054880
- Partial sums of A080925.at n=22A080926
- Numbers n such that A081249(m)/m^2 has a local maximum for m = n.at n=21A081251
- a(n) = floor(9^n/n).at n=11A129799
- a(n) = 3*a(n-1) - a(n-3) + 3*a(n-4), with initial values 1,3,7,20.at n=22A132868
- Partial sums of A132357.at n=22A135266
- a(n) = a(n-1) + 9*a(n-2) - 9*a(n-3), where a(0) = 1, a(1) = 3, a(2) = 6, a(3) = 33.at n=22A297444