-103682domain: ZAppears in sequencesExpansion of (1-2*x)/(1+x-x^2).at n=23A075193Sum of Lucas numbers and inverted Lucas numbers: a(n) = A000032(n)*A075193(n).at n=25A075270G.f.: Product_{n>=1} (1 - Lucas(n)*x^n + (-1)^n*x^(2*n)) where Lucas(n) = A000204(n).at n=28A203860