Kaprekar numbers: n such that n=q+r and n^2=q*10^m+r, for some m >= 1, q>=0 and 0<=r<10^m, with n != 10^a, a>=1.
1, 9, 45, 55, 99, 297, 703, 999, 2223, 2728, 4879, 4950, 5050, 5292, 7272, 7777
9 seqfan posts
Thu Dec 29 00:29:37 CET 2011 [seqfan] The One-Billionth Kaprekar Number (A006886)
Thu Oct 13 01:38:44 CEST 2011 [seqfan] The Kaprekar 10% Cascade and A Question
Mon Sep 26 18:28:28 CEST 2011 [seqfan] Re: broken links to pages from W. Schneider
Fri Aug 19 23:30:57 CEST 2011 [seqfan] Re: Is 0001 a 4-digit base 10 number ?
Thu Aug 18 18:31:40 CEST 2011 [seqfan] Re: Authorship of b-files
Thu Aug 18 15:05:45 CEST 2011 [seqfan] Re: Authorship of b-files
Thu Aug 18 11:20:29 CEST 2011 [seqfan] Re: Authorship of b-files
Mon Dec 14 17:29:53 CET 2009 [seqfan] Handling dead links
Mon Oct 26 09:36:25 CET 2009 [seqfan] A metric and UI for Pandora-like OEIS exploration
Index of A-numbers in seqfan: by ascending order
by month
by frequency
by keyword
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