16942381

Appears in sequences

• Expansion of 1 / ((1-2*x)*(1-4*x+x^2)).at n=12A216263
• Expansion of 1/((1 - x)^6 + x^6).at n=24A306940
• a(n) = Sum_{k=0..floor(n/6)} (-1)^k*binomial(n,6*k).at n=28A307040
• a(n) = Sum_{k=0..floor(n/6)} (-1)^k*binomial(n,6*k).at n=29A307040