1,2

Define a(1)=1, a(2)=4511, a(3)=4098*a(1)+a(2), a(4)=4098*a(2)+a(1), then a(n)=4098*a(n-2)-a(n-4)

Cf. A105846.

Sequence in context: A031745 A144490 A023684 this_sequence A107543 A104845 A138731

Adjacent sequences: A105842 A105843 A105844 this_sequence A105846 A105847 A105848

nonn

Pierre CAMI (pierrecami(AT)tele2.fr), Apr 22 2005