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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 Adjacent sequences:  A069743 A069744 A069745 * A069747 A069748 A069749 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 December 17 00:41 EST 2018. Contains 318191 sequences. (Running on oeis4.)