OFFSET
1,1
COMMENTS
LINKS
R. Zumkeller, Table of n, a(n) for n = 1..10000
Eric Weisstein's World of Mathematics, Prime Factorization
MATHEMATICA
t[n_] := FactorInteger[n][[All, 2]]; s = Select[Range[400], Union[t[#]] == Sort[t[#]] &] (* A130091 *)
Complement[Range[Max[s]], s] (* A130092 *)
(* Clark Kimberling, Mar 12 2015 *)
CROSSREFS
KEYWORD
nonn
AUTHOR
Reinhard Zumkeller, May 06 2007
STATUS
approved