2434966

Appears in sequences

• Expansion of (1-4*x+3*x^2)/((1-2*x)*(1-4*x+x^2)).at n=12A087944
• a(n) = Sum_{k=0..2*n} (-1)^k * binomial(12*n,6*k).at n=1A232732
• a(n) = Sum_{k=0..floor(n/6)} (-1)^k*binomial(n,6*k).at n=24A307040
• Number of paths of length n starting at initial node of the path graph P_11.at n=24A336678