282429005040
domain: N
Appears in sequences
- J_n(9) (see A059379).at n=12A059410
- Number of strings over Z_3 of length n with trace 0 and subtrace 1.at n=25A073948
- Number of strings over Z_3 of length n with trace 1 and subtrace 2.at n=25A073952
- Sum 3^max(k,n-k),k=0..n.at n=23A107660
- Expansion of (2*x-1)*(x-1)*x / ((3*x-1)*(3*x^2-1)).at n=25A122008
- Inverse binomial transform of (A113405 preceded by 0).at n=26A133474
- Number of non-palindromic n-tuples of 3 distinct elements.at n=23A242278
- a(1) = 0, a(2) = 4, a(3) = 12; for n > 3, a(n) = 3*a(n-1) - 3*a(n-2) + 9*a(n-3).at n=24A318610
- a(n) is the number of words of length n on the alphabet {0,1,2} with the number of 0's plus the number of 1's congruent to the number of 2's modulo 3.at n=25A334656