OFFSET
0,3
LINKS
Reinhard Zumkeller, Table of n, a(n) for n = 0..177
PROG
(Haskell)
import Data.List (elemIndex); import Data.Maybe (fromJust)
a258765 = fromJust . (`elemIndex` (map abs a258057_list))
CROSSREFS
KEYWORD
nonn
AUTHOR
Reinhard Zumkeller, Jun 10 2015
STATUS
approved