OFFSET
2,2
LINKS
Amiram Eldar, Table of n, a(n) for n = 2..626 (terms 2..200 from Vincenzo Librandi)
FORMULA
MATHEMATICA
PrimeFactors[n_] := Flatten[ Table[ # [[1]], {1}] & /@ FactorInteger[n]]; Table[ PrimeFactors[2^n - 3][[ -1]], {n, 2, 46}] (* Robert G. Wilson v, May 24 2004 *)
Table[FactorInteger[2^n-3][[-1, 1]], {n, 2, 40}] (* Harvey P. Dale, Feb 01 2015 *)
CROSSREFS
KEYWORD
nonn
AUTHOR
Yasutoshi Kohmoto, May 11 2004
EXTENSIONS
More terms from Robert G. Wilson v, May 24 2004
STATUS
approved