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
KEYWORD
fini,full,nonn,base
AUTHOR
Harvey P. Dale, Apr 22 2002
EXTENSIONS
There are precisely 77 such numbers.
STATUS
approved