This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.
%I A111433 #3 Mar 30 2012 18:40:29 %S A111433 0,0,0,0,1,1,1,3,21,987,1346269,2504730781961, %T A111433 5358359254990966640871840, %U A111433 9366947731425726508977331996039353971111632790877,4176188314410464025148116525118839856571907649518456624120477965205524606115754507996484677228773 %N A111433 Fibonacci(pentanacci(n)). %F A111433 a(n) = A000045(A001591(n)). %e A111433 a(0) = Fibonacci(pentanacci(0)) = A000045(A001591(0)) = A000045(0) = 0. %e A111433 a(1) = Fibonacci(pentanacci(1)) = A000045(A001591(1)) = A000045(0) = 0. %e A111433 a(2) = Fibonacci(pentanacci(2)) = A000045(A001591(2)) = A000045(0) = 0. %e A111433 a(3) = Fibonacci(pentanacci(3)) = A000045(A001591(3)) = A000045(0) = 0. %e A111433 a(4) = Fibonacci(pentanacci(4)) = A000045(A001591(4)) = A000045(1) = 1. %e A111433 a(5) = Fibonacci(pentanacci(5)) = A000045(A001591(5)) = A000045(1) = 1. %e A111433 a(6) = Fibonacci(pentanacci(6)) = A000045(A001591(6)) = A000045(2) = 1. %e A111433 a(7) = A000045(A001591(7)) = A000045(4) = 3. %e A111433 a(8) = A000045(A001591(8)) = A000045(8) = 21. %e A111433 a(9) = A000045(A001591(9)) = A000045(16) = 987. %Y A111433 Cf. A000045, A001591, A066178, A007570. %K A111433 easy,nonn %O A111433 0,8 %A A111433 _Jonathan Vos Post_, Nov 13 2005