

A105449


Positive integers whose representation as Roman Fibonacci numbers has exactly four symbols.


4



80, 106, 114, 116, 117, 119, 120, 121, 122, 127, 129, 130, 135, 137, 138
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OFFSET

1,1


COMMENTS

A105446 gives the number of symbols in Roman Fibonacci numbers. A105447 gives positive integers whose representation as Roman Fibonacci numbers has exactly two symbols. A105448 gives positive integers whose representation as Roman Fibonacci numbers has exactly three symbols. A105450 gives positive integers whose representation as Roman Fibonacci numbers has exactly five symbols.


LINKS



FORMULA



EXAMPLE

In Roman Fibonacci number representation:
80 = "DB22", 106 = "EA22", 114 = "DD22", 116 = "DD33", 117 = "DD52", 119 = "DD81", 120 = "DD55", 121 = "DD2A", 122 = "DD1A", 127 = "BF22", 129 = "BF33", 130 = "BF52", 135 = "AF22", 137 = "AF33", 138 = "AF52".


CROSSREFS



KEYWORD

base,easy,nonn


AUTHOR



STATUS

approved



