|
| |
|
|
A074281
|
|
Primes of the form Lucas(2*n)/3.
|
|
2
| | |
|
|
|
OFFSET
| 1,1
|
|
|
COMMENTS
| The next term has 96 digits. [From Harvey P. Dale, Apr 29 2011]
|
|
|
LINKS
| Vincenzo Librandi, Table of n, a(n) for n = 1..16
R. Knott, The Mathematics of the Fibonacci series.
R. Knott, Pi and the Fibonacci Numbers.
|
|
|
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] (* From Harvey P. Dale, Apr 29 2011 *)
|
|
|
CROSSREFS
| Values of n are given in A074304.
Sequence in context: A142768 A140013 A167741 * A090833 A154577 A201043
Adjacent sequences: A074278 A074279 A074280 * A074282 A074283 A074284
|
|
|
KEYWORD
| nonn
|
|
|
AUTHOR
| Shane Findley (TTcreation(AT)aol.com), Sep 21 2002
|
| |
|
|
