9814741

Appears in sequences

• Expansion of 1/((1+3*x)*(1-4*x)).at n=12A053404
• a(n) = (4*n + 1)^(1/2)/(4*n + 1)*((1 - p)*q^n - (1 - q)*p^n), where p = (1 - (4*n + 1)^(1/2))/2 and q = (1 + (4*n + 1)^(1/2))/2.at n=11A171180