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A074281
Primes of the form Lucas(2*n)/3.
3
41, 281, 90481, 29134601, 3020733700601, 313195711516578281, 5280544535667472291277149119296546201, 547497418496144666543167613835090178297001
OFFSET
1,1
COMMENTS
The next term has 96 digits. - Harvey P. Dale, Apr 29 2011.
EXAMPLE
Lucas(2*5)=3*41, Lucas(2*7)=3*281, Lucas(2*13)=3*90481.
MATHEMATICA
Select[Table[LucasL[2n]/3, {n, 400}], PrimeQ] (* Harvey P. Dale, Apr 29 2011 *)
CROSSREFS
Values of n are given in A074304.
Sequence in context: A140013 A342299 A167741 * A090833 A201043 A364269
KEYWORD
nonn
AUTHOR
Shane Findley, Sep 21 2002
STATUS
approved