53434

Appears in sequences

• a(n) = Sum_{k=0..floor(n/6)} C(n-3k,3k) * 3^k.at n=21A100136
• Number of n X 3 0..1 arrays with every element equal to 0, 1, 3, 5, 6 or 8 king-move adjacent elements, with upper left element zero.at n=22A299446
• Number of 2Xn 0..1 arrays with every element equal to 0, 1 or 3 horizontally or antidiagonally adjacent elements, with upper left element zero.at n=14A301885