183911

Appears in sequences

• Expansion of 1/((1-x)*(1-x^2-x^4)) + x/(1-3*x^3).at n=34A169592
• Number of length 3+2 0..n arrays with the medians of every three consecutive terms nondecreasing.at n=11A250142
• a(0) = 1; a(n) = Sum_{k=1..n} binomial(n,k)^2 * a(k-1).at n=7A342196