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A045727
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Fibonacci numbers having initial digit '3'.
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1
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3, 34, 377, 317811, 3524578, 39088169, 32951280099, 365435296162, 308061521170129, 3416454622906707, 37889062373143906, 31940434634990099905, 354224848179261915075, 3928413764606871165730
(list;
graph;
refs;
listen;
history;
text;
internal format)
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OFFSET
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1,1
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LINKS
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MAPLE
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res:= NULL:
a:= 0: b:= 1:
for i from 1 to 100 do
temp:= a+b;
a:= b;
b:= temp;
if floor(b/10^ilog10(b)) = 3 then
res:= res, b;
fi;
od:
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MATHEMATICA
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Select[Fibonacci[Range[200]], First[IntegerDigits[#]]==3&] (* Harvey P. Dale, Mar 05 2018 *)
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CROSSREFS
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KEYWORD
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nonn,base
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AUTHOR
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EXTENSIONS
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STATUS
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approved
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