43040160
domain: N
Appears in sequences
- Number of ternary sequences with primitive period n.at n=16A054718
- Number of primitive (aperiodic) palindromes using a maximum of three different symbols.at n=31A056459
- J_n(9) (see A059379).at n=8A059410
- Jordan function J_8(n).at n=8A069093
- Number of elements of GF(3^n) with trace 0 and subtrace 1.at n=17A074001
- Number of elements of GF(3^n) with trace 0 and subtrace 2.at n=17A074002
- a(n) = (3^n + 2*3^(n/2)*cos(n*Pi/6))/3.at n=17A092236
- Sum 3^max(k,n-k),k=0..n.at n=15A107660
- Expansion of (2*x-1)*(x-1)*x / ((3*x-1)*(3*x^2-1)).at n=17A122008
- Number of 9-ary sequences with primitive period n.at n=8A218126
- Number of length 8 primitive (=aperiodic or period 8) n-ary words.at n=9A218131
- Number of non-palindromic n-tuples of 3 distinct elements.at n=15A242278
- 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=16A318610