73548

Appears in sequences

• a(n) = 2*a(n-1) - a(n-4) + a(n-5) with a(-1)=a(0)=a(1)=1, a(2)=2, a(3)=4, a(4)=7.at n=19A108758
• Number of ways to place 3 nonattacking bishops on a 3 X n board.at n=26A172207