49941

Appears in sequences

• Number of magic labelings with magic sum n of 3rd graph shown in link.at n=10A244871
• Number of nX3 0..1 arrays with every element equal to 1, 3, 4, 5 or 6 king-move adjacent elements, with upper left element zero.at n=11A298449
• a(n) = Sum_{k=0..floor(n/2)} binomial(k+2,2) * binomial(2*k,2*n-4*k).at n=16A382494