OFFSET
1,1
LINKS
T. D. Noe, Table of n, a(n) for n = 1..1000
Will Nicholes, Prime Signatures
MATHEMATICA
f[n_]:=Sort[Last/@FactorInteger[n]]=={1, 1, 1, 1, 1, 1, 3}; Select[Range[3000000], f]
PROG
(PARI) isA190316(n)=vecsort(factor(n)[, 2])==[1, 1, 1, 1, 1, 1, 3]~ \\ Charles R Greathouse IV, May 10 2011
CROSSREFS
KEYWORD
nonn,easy
AUTHOR
Vladimir Joseph Stephan Orlovsky, May 10 2011
EXTENSIONS
Extended by T. D. Noe, May 10 2011
STATUS
approved