OFFSET
1,1
LINKS
Amiram Eldar, Table of n, a(n) for n = 1..546 (terms 1..120 from Vincenzo Librandi)
FORMULA
EXAMPLE
n = 100, 2^100 + 3^100 = 41 * 97 * 281 * 3121 * 742801 * 20017001 * 9937984196743741414107401 so a(100) = 9937984196743741414107401.
MATHEMATICA
Table[Part[Reverse[Flatten[FactorInteger[2^w + 3^w]]], 2], {w, 1, 100}]
PROG
(Magma) [Max(PrimeFactors(2^n + 3^n)):n in[1..68]]; // Vincenzo Librandi, Dec 25 2019
CROSSREFS
KEYWORD
nonn
AUTHOR
Labos Elemer, Jun 01 2004
EXTENSIONS
a(34)-a(35) from Vincenzo Librandi, Dec 25 2019
STATUS
approved