79306

Appears in sequences

• Number of two-sided n-step prudent walks ending on the top side of their box, avoiding two or more consecutive west steps and south steps.at n=13A190586
• a(n) = Sum_{k=0..n} binomial(n,k) * binomial(n+k,k) * binomial(n+2*k,k) * 2^(n-k).at n=4A382934