Numbers whose decimal expansion contains only 0's and 2's.
0, 2, 20, 22, 200, 202, 220, 222, 2000, 2002, 2020, 2022, 2200, 2202, 2220, 2222
2 seqfan posts
Mon Nov 14 18:52:07 CET 2011 [seqfan] Re: A200000
Mon Nov 14 18:39:59 CET 2011 [seqfan] A200000
Index of A-numbers in seqfan: by ascending order
by month
by frequency
by keyword
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