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A262277 Numbers having in decimal representation the same distinct decimal digits as their 9's complement. 2
18, 27, 36, 45, 54, 63, 72, 81, 90, 118, 181, 188, 227, 272, 277, 336, 363, 366, 445, 454, 455, 544, 545, 554, 633, 636, 663, 722, 727, 772, 811, 818, 881, 900, 909, 990, 1089, 1098, 1118, 1181, 1188, 1278, 1287, 1368, 1386, 1458, 1485, 1548, 1584, 1638 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

If d is a digit of any term then also 9 - d;

A227362(A061601(a(n))) = A227362(a(n)).

LINKS

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

PROG

(Haskell)

import Data.List (nub, sort)

a262277 n = a262277_list !! (n-1)

a262277_list = filter f [1..] where

   f x = sort ds' == sort (map (9 -) ds') where

     ds' = nub $ ds x

     ds 0 = []; ds z = d : ds z' where (z', d) = divMod z 10

CROSSREFS

Cf. A061601, A227362, subsequences: A111708, A050278, A171102.

Sequence in context: A151741 A090064 A082804 * A144777 A296130 A284811

Adjacent sequences:  A262274 A262275 A262276 * A262278 A262279 A262280

KEYWORD

nonn,base

AUTHOR

Reinhard Zumkeller, Sep 17 2015

STATUS

approved

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Last modified April 16 10:22 EDT 2021. Contains 343036 sequences. (Running on oeis4.)