3486725352
domain: N
Appears in sequences
- J_n(9) (see A059379).at n=10A059410
- Jordan function J_10(n).at n=8A069095
- Number of strings over Z_3 of length n with trace 0 and subtrace 2.at n=21A073949
- Number of strings over Z_3 of length n with trace 1 and subtrace 2.at n=21A073952
- Sum 3^max(k,n-k),k=0..n.at n=19A107660
- Expansion of (2*x-1)*(x-1)*x / ((3*x-1)*(3*x^2-1)).at n=21A122008
- Binomial transform of A131666.at n=22A135254
- Number of non-palindromic n-tuples of 3 distinct elements.at n=19A242278
- 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=20A318610