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A069746 Four-digit numbers that do not resolve to 6174 under the Kaprekar map (see A151949). 8
1000, 1011, 1101, 1110, 1111, 1112, 1121, 1211, 1222, 2111, 2122, 2212, 2221, 2222, 2223, 2232, 2322, 2333, 3222, 3233, 3323, 3332, 3333, 3334, 3343, 3433, 3444, 4333, 4344, 4434, 4443, 4444, 4445, 4454, 4544, 4555, 5444, 5455, 5545, 5554, 5555, 5556 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Dinesh Thakur (email, Mar 01 2015) points out that Kaprekar himself would pad numbers with fewer than four digits by adding initial zeros, so that for him the only four-digit exceptions are those with all four digits equal. - N. J. A. Sloane, Mar 01 2015
LINKS
Joseph Myers, Table of n, a(n) for n=1..77 (the full list)
CROSSREFS
Cf. A151949.
Sequence in context: A169734 A213317 A281150 * A291346 A191753 A033830
KEYWORD
fini,full,nonn,base
AUTHOR
Harvey P. Dale, Apr 22 2002
EXTENSIONS
There are precisely 77 such numbers.
STATUS
approved

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Last modified April 19 14:10 EDT 2024. Contains 371792 sequences. (Running on oeis4.)