-12743

Appears in sequences

• a(n) = 3*a(n-1) - 4*a(n-3), with a(0)=1, a(1)=2, a(2)=4, a(3)=7.at n=16A136299
• Coefficients in expansion of 1/(1 + x - 2*x^5).at n=34A317509