-2107560

Appears in sequences

• a(n) = -A001353(n).at n=12A106707
• a(n) = - 4*a(n-2) - a(n-4), a(0) = 1, a(1) = -4, a(2) = -6, a(3) = 15.at n=21A109731
• a(0) = 1, a(1) = -4, a(n) = -4*a(n-1) - a(n-2) for n > 1.at n=11A125905
• Expansion of 1/((1 - x)^6 + x^6).at n=19A306940