OFFSET
1,2
LINKS
Reinhard Zumkeller, Table of n, a(n) for n = 1..860
PROG
(Haskell)
import Data.List (elemIndex)
import Data.Maybe (fromJust)
a200087 n = (fromJust $ elemIndex n a079878_list) + 1
CROSSREFS
KEYWORD
nonn
AUTHOR
Reinhard Zumkeller, Nov 13 2011
STATUS
approved