23245229340
domain: N
Appears in sequences
- a(n) = (n-1)*3^(n-2), n > 0.at n=20A027471
- a(n) = 3^n(n^2 - n + 18)/18.at n=19A081909
- a(n) = 3*a(n-1), with a(1) = 20.at n=19A116530
- a(n) = 2*n*3^(2*n-1).at n=10A230540
- Sum of the degrees of asymmetry of all ternary words of length n.at n=20A274499
- Denominators of the exponential expansion of (3/(log(1+x)))*(1 - 1/(1+x)^(1/3)).at n=17A284858