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A087344
Smallest prime formed by concatenating n consecutive Fibonacci numbers.
1
2, 11, 5813, 1123, 235813, 67989163763861225811000877783661019311779979416004714189288006719437081612046600466103755303097540113804746346429
OFFSET
1,1
COMMENTS
The next term has 630 digits. - Harvey P. Dale, Jun 15 2011
EXAMPLE
a(3) = 5813 because 5813 is the smallest prime formed from concatenation of 3 consecutive Fibonacci numbers, namely 5, 8, and 13.
MATHEMATICA
With[{fibs=Fibonacci[Range[800]]}, Table[First[Select[ FromDigits[ Flatten[ IntegerDigits[#]]]& /@ Partition[ fibs, n, 1], PrimeQ]], {n, 7}]] (* Harvey P. Dale, Jun 15 2011 *)
CROSSREFS
Cf. A087345.
Sequence in context: A072665 A201264 A342996 * A290873 A291263 A226072
KEYWORD
base,nonn
AUTHOR
Amarnath Murthy, Sep 06 2003
EXTENSIONS
Corrected and extended by Shyam Sunder Gupta, Apr 17 2005
STATUS
approved