7482618

Appears in sequences

• a(n) = 9*(n+1)*binomial(n+2,9)/2.at n=10A027782
• a(n) = 11*(n+1)*binomial(n+2,11)/2.at n=8A027784
• Expansion of 1/2 * (((1 + 2*x)/(1 - 2*x))^(3/2) - 1).at n=20A305612