-3332

Appears in sequences

• The Gegenbauer Polynomial of index n, order 1, evaluated at x=1/3 and multiplied by n*3^n/2.at n=7A025173
• Let f(x) = 1 + Sum_{j>=4} (|mu(j)| - |mu(j-1)|)*x^j, where mu(n) is the Möbius function (A008683). Then a(n) is n times the coefficient of x^n in the expansion of log(f(x)).at n=34A262400
• Expansion of (1 + x)^2 / ((1 - x)^2*(1 + 2*x)^2).at n=11A322039