105536

Appears in sequences

• Number of n X 3 nonnegative integer arrays with upper left 0 and lower right its king-move distance away minus 2 and every value increasing by 0 or 1 with every step right, diagonally se or down.at n=26A252978
• a(n) = 1*2*3 + 4*5*6 + 7*8*9 + 10*11*12 + 13*14*15 + 16*17*18 + ... + (up to n).at n=34A319014
• a(n) = Sum_{k=0..floor(n/3)} 2^(n-3*k) * binomial(k,n-3*k)^2.at n=29A387516