217280

Appears in sequences

• 8th binomial transform of (0,1,0,2,0,4,0,8,0,16,...).at n=6A081185
• Number of binary strings of length n with no substrings equal to 0001, 0100, or 1011.at n=33A164466
• a(n) = 5*a(n-1) - 9*a(n-2), with a(0)=0, a(1)=1.at n=12A190970
• a(n) = -a(n-1) - 3*a(n-2) with n>1, a(0)=0, a(1)=1.at n=24A214733