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A210771 Inverse permutation to A210770. 2
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 (list; graph; refs; listen; history; text; internal format)
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: A278376 A057336 A236675 * A115316 A089088 A251622

Adjacent sequences:  A210768 A210769 A210770 * A210772 A210773 A210774

KEYWORD

nonn

AUTHOR

Reinhard Zumkeller, Mar 25 2012

STATUS

approved

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Last modified July 15 23:32 EDT 2020. Contains 335774 sequences. (Running on oeis4.)