OFFSET
1,1
COMMENTS
Prime factors counted with multiplicity. - Harvey P. Dale, Nov 11 2012
LINKS
Reinhard Zumkeller, Table of n, a(n) for n = 1..10000
MATHEMATICA
pfQ[n_]:=Module[{fi=Transpose[FactorInteger[n]]}, fi[[1, 1]] == Total[Last[fi]]]; Rest[Select[Range[400], pfQ]] (* Harvey P. Dale, Nov 11 2012 *)
PROG
(Haskell)
a091376 n = a091376_list !! (n-1)
a091376_list = [x | x <- a002808_list, a001222 x == a020639 x]
-- Reinhard Zumkeller, Nov 11 2012
CROSSREFS
KEYWORD
nonn
AUTHOR
Reinhard Zumkeller, Jan 04 2004
EXTENSIONS
Definition edited by N. J. A. Sloane, Jan 21 2020
STATUS
approved