171938

Appears in sequences

• Number of ways to place 3 nonattacking kings on a 3 X n board.at n=35A172202
• Fibonacci-Zumkeller numbers: a(n)=n if n<=3, otherwise the smallest number >= a(n-2) + a(n-1) having at least one common factor with a(n-2), but none with a(n-1).at n=23A249357
• Number of nX4 0..1 arrays with every element equal to 1, 2 or 4 horizontally or antidiagonally adjacent elements, with upper left element zero.at n=11A301995