-9842

Appears in sequences

• An inverse Catalan transform of A003462.at n=18A106233
• a(1)=-1; a(2)=-1; a(3)=-2; a(n) = 4*a(n-1) - 3*a(n-2) for n >= 4.at n=10A123183
• Expansion of Product_{k>0} theta_3(q^(2*k-1))/theta_3(q^(2*k)), where theta_3() is the Jacobi theta function.at n=35A321026