OFFSET
1,2
LINKS
Lars Blomberg, Table of n, a(n) for n = 1..10000 (first 106 terms from Reinhard Zumkeller; first 1380 terms from Reinhard Zumkeller and Giovanni Resta)
PROG
(Haskell)
import Data.List (elemIndex); import Data.Maybe (fromJust)
a237860 = (+ 1) . fromJust . (`elemIndex` a237851_list)
CROSSREFS
KEYWORD
nonn,base
AUTHOR
Reinhard Zumkeller, Feb 14 2014
STATUS
approved