login

Year-end appeal: Please make a donation to the OEIS Foundation to support ongoing development and maintenance of the OEIS. We are now in our 61st year, we have over 378,000 sequences, and we’ve reached 11,000 citations (which often say “discovered thanks to the OEIS”).

A258335
Inverse permutation to A258334.
2
7, 1, 2, 28, 3, 4, 49, 5, 6, 70, 77, 8, 9, 98, 10, 11, 119, 12, 13, 14, 147, 15, 16, 168, 17, 18, 189, 19, 20, 21, 217, 22, 23, 238, 24, 25, 259, 26, 27, 280, 287, 29, 30, 308, 31, 32, 329, 33, 34, 35, 357, 36, 37, 378, 38, 39, 399, 40, 41, 42, 427, 43, 44
OFFSET
1,1
PROG
(Haskell)
import Data.List (elemIndex); import Data.Maybe (fromJust)
a258335 = (+ 1) . fromJust . (`elemIndex` a258334_list)
CROSSREFS
Cf. A258334.
Sequence in context: A317072 A316953 A317733 * A266985 A286912 A239807
KEYWORD
nonn
AUTHOR
Reinhard Zumkeller, May 27 2015
STATUS
approved