OFFSET
1,2
PROG
(Haskell)
import Data.List (elemIndex); import Data.Maybe (fromJust)
a248918 = (+ 1) . fromJust . (`elemIndex` a247665_list) . a000961 . (+ 1)
CROSSREFS
KEYWORD
nonn
AUTHOR
Reinhard Zumkeller, Oct 16 2014
STATUS
approved