A282234 - OEIS

%I #7 Feb 17 2017 14:51:56

%S 1,1,2,3,12,22,111,133,321,1231,2322,11323,22122,111222,211121,323113,

%T 1311311,3112131,12131212,22321113,112222332,212321222,332321331,

%U 1323113323,3133213131,12311111231,23221332132,113233221133,221232331112,1112313322322

%N a(n) = Fibonacci(n) represented in bijective base-3 numeration.

%H Alois P. Heinz, <a href="/A282234/b282234.txt">Table of n, a(n) for n = 1..1000</a>

%H Wikipedia, <a href="https://en.wikipedia.org/wiki/Bijective_numeration">Bijective numeration</a>

%F a(n) = A007932(A000045(n)).

%p a:= proc(n) local b, d, l, m; l:= NULL;

%p       b, m:= 3, combinat[fibonacci](n);

%p       while m>0 do  d:= irem(m, b, 'm');

%p         if d=0 then d:=b; m:=m-1 fi;

%p         l:= d, l

%p       od; parse(cat(l))

%p     end:

%p seq(a(n), n=0..35);

%Y Column k=3 of A214679.

%Y Cf. A000045, A007932.

%K nonn,base,easy

%O 1,3

%A _Alois P. Heinz_, Feb 09 2017