OFFSET
1,2
COMMENTS
If the conjecture in A251604 is true, this sequence is the inverse permutation.
LINKS
Reinhard Zumkeller, Table of n, a(n) for n = 1..10000
PROG
(Haskell)
import Data.List (elemIndex); import Data.Maybe (fromJust)
a255972 = (+ 1) . fromJust . (`elemIndex` a251604_list)
CROSSREFS
KEYWORD
nonn
AUTHOR
Reinhard Zumkeller, Mar 12 2015
STATUS
approved