A210771 Inverse permutation to A210770.

1, 2, 4, 6, 3, 8, 5, 10, 12, 7, 14, 16, 18, 9, 20, 22, 11, 24, 26, 13, 28, 30, 15, 32, 17, 34, 36, 19, 38, 40, 21, 42, 44, 23, 46, 48, 25, 50, 52, 27, 54, 56, 29, 58, 60, 31, 62, 64, 66, 33, 68, 70, 35, 72, 74, 37, 76, 78, 39, 80, 82, 41, 84, 86, 43, 88, 90

Offset

1,2

Links

Reinhard Zumkeller, Table of n, a(n) for n = 1..10000

Index entries for sequences that are permutations of the natural numbers

Prog

(Haskell)
import Data.List (elemIndex)
import Data.Maybe (fromJust)
a210771 n = fromJust (elemIndex n a210770_list) + 1

Crossrefs

Sequence in context: A057336 A340646 A236675 * A359535 A115316 A375327

Adjacent sequences: A210768 A210769 A210770 * A210772 A210773 A210774

Keyword

nonn

Author

Reinhard Zumkeller, Mar 25 2012

Status

approved