4780782
domain: N
Appears in sequences
- J_n(9) (see A059379).at n=7A059410
- Jordan function J_7(n).at n=8A069092
- Number of strings over Z_3 of length n with trace 0 and subtrace 1.at n=15A073948
- Number of strings over Z_3 of length n with trace 1 and subtrace 1.at n=15A073951
- Number of elements of GF(3^n) with trace 0 and subtrace 2.at n=15A074002
- Number of elements of GF(3^n) with trace 1 and subtrace 2.at n=15A074005
- Sum 3^max(k,n-k),k=0..n.at n=13A107660
- Expansion of (2*x-1)*(x-1)*x / ((3*x-1)*(3*x^2-1)).at n=15A122008
- Inverse binomial transform of (A113405 preceded by 0).at n=16A133474
- Number of non-palindromic n-tuples of 3 distinct elements.at n=13A242278
- a(1) = 2, a(2) = 4, a(3) = 6; for n > 3, a(n) = 3*a(n-1) - 3*a(n-2) + 9*a(n-3).at n=14A318609