171789272704domain: NAppears in sequencesa(n)=-8*a(n-1)-6*a(n-2), n>1 ; a(0)=1, a(1)=-2 .at n=14A152620a(n)=8*a(n-1)-6*a(n-2), n>1 ; a(0)=1, a(1)=2.at n=14A152621