A320991 - OEIS

%I #4 Oct 25 2018 20:51:54

%S 0,1,9,82,6651,4848661,286308590040,12324645995360107501,

%T 31327596501857712343958159785869,

%U 3427833941153173630835645403655873661712817810325122,953377933333360661538750693295319059526691048970554893790972688729398538561592385711

%N Fibonacci rabbit sequence number n coded in base nine.

%H Alois P. Heinz, <a href="/A320991/b320991.txt">Table of n, a(n) for n = 0..15</a>

%p b:= proc(n) option remember; `if`(n<2, [n$2], [b(n-1)[1]*

%p       9^b(n-1)[2]+b(n-2)[1], b(n-1)[2]+b(n-2)[2]])

%p     end:

%p a:= n-> b(n)[1]:

%p seq(a(n), n=0..11);

%Y Column k=9 of A144287.

%K nonn

%O 0,3

%A _Alois P. Heinz_, Oct 25 2018