OFFSET
1,1
COMMENTS
Analogous to A060308 largest prime <= 2*k.
FORMULA
MATHEMATICA
Table[Max[FactorInteger[(3 n)!/(n!)^3]], {n, 1, 70}] (* Vincenzo Librandi, Nov 25 2015 *)
NextPrime[3*Range[70]+1, -1] (* Harvey P. Dale, Nov 12 2017 *)
PROG
(Magma) [NthPrime(#PrimesUpTo(3*n)): n in [1..100]]; // Vincenzo Librandi, Nov 25 2015
(PARI) vector(100, n, precprime(3*n)) \\ Altug Alkan, Nov 25 2015
CROSSREFS
KEYWORD
easy,nonn
AUTHOR
Jonathan Vos Post, Apr 29 2006
STATUS
approved