A111433 - OEIS

%I #3 Mar 30 2012 18:40:29

%S 0,0,0,0,1,1,1,3,21,987,1346269,2504730781961,

%T 5358359254990966640871840,

%U 9366947731425726508977331996039353971111632790877,4176188314410464025148116525118839856571907649518456624120477965205524606115754507996484677228773

%N Fibonacci(pentanacci(n)).

%F a(n) = A000045(A001591(n)).

%e a(0) = Fibonacci(pentanacci(0)) = A000045(A001591(0)) = A000045(0) = 0.

%e a(1) = Fibonacci(pentanacci(1)) = A000045(A001591(1)) = A000045(0) = 0.

%e a(2) = Fibonacci(pentanacci(2)) = A000045(A001591(2)) = A000045(0) = 0.

%e a(3) = Fibonacci(pentanacci(3)) = A000045(A001591(3)) = A000045(0) = 0.

%e a(4) = Fibonacci(pentanacci(4)) = A000045(A001591(4)) = A000045(1) = 1.

%e a(5) = Fibonacci(pentanacci(5)) = A000045(A001591(5)) = A000045(1) = 1.

%e a(6) = Fibonacci(pentanacci(6)) = A000045(A001591(6)) = A000045(2) = 1.

%e a(7) = A000045(A001591(7)) = A000045(4) = 3.

%e a(8) = A000045(A001591(8)) = A000045(8) = 21.

%e a(9) = A000045(A001591(9)) = A000045(16) = 987.

%Y Cf. A000045, A001591, A066178, A007570.

%K easy,nonn

%O 0,8

%A _Jonathan Vos Post_, Nov 13 2005