323259

Appears in sequences

• a(n) = a(n-2) + a(n-3), with a(0) = 0, a(1) = 1, a(2) = 2.at n=46A007307
• Expansion of (1-x-2*x^2)/(1-x^2+x^3).at n=50A109248
• a(n) = A098601(2n) + A098601(2n+1).at n=22A137495
• a(n) = 3*a(n-1) - 2*a(n-2) + a(n-3), n > 3.at n=15A137584
• Number of binary strings of length n with no substrings equal to 0010 0101 or 1010.at n=18A164494