1,2
Define a(1)=1, a(2)=149, a(3)=146*a(1)+a(2), a(4)=146*a(2)+a(1), then a(n)=146*a(n-2)-a(n-4)
Cf. A105844.
Sequence in context: A127592 A107176 A140023 * A131573 A146137 A071331
Adjacent sequences: A105840 A105841 A105842 * A105844 A105845 A105846
nonn
Pierre CAMI (pierre-cami(AT)bbox.fr), Apr 22 2005