OFFSET
1,2
COMMENTS
LINKS
Hiroaki Yamanouchi, Table of n, a(n) for n = 1..72
PROG
(Haskell)
import Data.List (elemIndex); import Data.Maybe (fromJust)
a257122 = (+ 1) . fromJust . (`elemIndex` a257218_list)
CROSSREFS
KEYWORD
nonn
AUTHOR
Reinhard Zumkeller, Apr 25 2015
EXTENSIONS
a(41)-a(58) from Hiroaki Yamanouchi, May 04 2015
STATUS
approved