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A261351 Inverse permutation of A084385. 2
1, 2, 4, 3, 6, 8, 5, 9, 7, 12, 10, 13, 11, 16, 14, 17, 15, 20, 18, 21, 19, 24, 22, 25, 23, 28, 26, 29, 27, 32, 30, 33, 31, 36, 34, 37, 35, 40, 38, 41, 39, 44, 42, 45, 43, 48, 46, 49, 47, 52, 50, 53, 51, 56, 54, 57, 55, 60, 58, 61, 59, 64, 62, 65, 63, 68, 66 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

-4 <= a(n) - A084385(n) <= 3;

for n > 4: a(n) != A084385(n);

for n > 7: a(n) >= A084385(n) - 3.

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)

a261351 = (+ 1) . fromJust . (`elemIndex` a084385_list)

CROSSREFS

Cf. A084385.

Sequence in context: A048680 A178898 A143529 * A249054 A103867 A075375

Adjacent sequences:  A261348 A261349 A261350 * A261352 A261353 A261354

KEYWORD

nonn

AUTHOR

Reinhard Zumkeller, Aug 16 2015

STATUS

approved

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Last modified March 27 06:59 EDT 2017. Contains 284144 sequences.