OFFSET
1,2
COMMENTS
See A190803.
LINKS
Reinhard Zumkeller, Table of n, a(n) for n = 1..10000
MATHEMATICA
PROG
(Haskell)
import Data.Set (singleton, deleteFindMin, insert)
a190805 n = a190805_list !! (n-1)
a190805_list = 1 : f (singleton 4)
where f s = m : (f $ insert (2*m-1) $ insert (3*m+1) s')
where (m, s') = deleteFindMin s
-- Reinhard Zumkeller, Jun 01 2011
CROSSREFS
KEYWORD
nonn
AUTHOR
Clark Kimberling, May 20 2011
EXTENSIONS
a(56)=673 inserted by Reinhard Zumkeller, Jun 01 2011
STATUS
approved