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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