-84915

Appears in sequences

• Lucas and Lehmer numbers with parameters (1 +- sqrt(-7))/2.at n=36A107920
• Row sums of the Riordan array (1-4x+4x^2, x(1-2x)) (A167431).at n=33A167433
• a(0)=1, a(1)=1; thereafter a(n) = -a(n-1) - 2*a(n-2).at n=34A169998
• a(n) = 5*a(n-1) - 8*a(n-2), with a(0)=0, a(1)=1.at n=12A190969