105073

Appears in sequences

• a(n) = a(n-1) XOR (a(n-1) + a(n-2)), with a(1)=1, a(2)=3, where XOR is the binary exclusive OR operation.at n=16A099810
• Expansion of x^3*(1+x+2*x^2+3*x^3+3*x^4+x^5)/(1-x^2-x^3)^3.at n=27A257595