

A104284


Primes which are the concatenation of three consecutive fibonacci numbers.


1



5813, 113490317018363119032971215073, 73088059522214431050203554901182589644787183497642906842719134702400093278081449423917, 75779161866773113924763137210006612261325953941882930001747020959951983924214061919432247806074196061
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OFFSET

1,1


REFERENCES

Mohammad K. Azarian, Counting Sums of Nonnegative Integers, Problem H678, Fibonacci Quarterly, Vol. 46/47, No. 4, November 2008/2009, p. 374. Solution published in Vol. 48, No. 4, November 2010, pp. 376377.


LINKS

Table of n, a(n) for n=1..4.


EXAMPLE

The first term is 5813 which is a prime and is the concatenation of 5,8 and 13 which are three consecutive fibonacci numbers.


MATHEMATICA

Select[FromDigits[Flatten[IntegerDigits/@#]]&/@Partition[ Fibonacci[ Range[250]], 3, 1], PrimeQ] (* Harvey P. Dale, Jul 04 2012 *)


CROSSREFS

Sequence in context: A206655 A270866 A251920 * A237477 A131494 A234804
Adjacent sequences: A104281 A104282 A104283 * A104285 A104286 A104287


KEYWORD

base,nonn


AUTHOR

Shyam Sunder Gupta, Apr 17 2005


STATUS

approved



