-1292

Appears in sequences

• Expansion of g.f. (1+x)^2/((1 + x + x^2)*(1 + x - x^2)).at n=19A106511
• Sequence is {a(4,n)}, where a(m,n) is defined at sequence A110665.at n=19A110669
• Difference between sums of quadratic residues and non-residues modulo n (residues are not necessarily coprime to n).at n=67A255644
• a(n) = floor(c*r*a(n-1)) - floor(d*s*a(n-2)), where r = (1+sqrt(5))/2, s = r/(r-1), c = 1, d = 1, a(0) = 1, a(1) = 1.at n=15A275858
• a(n) = floor(c*r*a(n-1)) - floor(d*s*a(n-2)), where r = (1+sqrt(5))/2, s = r/(r-1), c = 1, d = 1, a(0) = 1, a(1) = 1.at n=16A275858