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A044812
Numbers n such that string 9,9 occurs in the base 10 representation of n but not of n+1.
+0
3
99, 199, 299, 399, 499, 599, 699, 799, 899, 999, 1099, 1199, 1299, 1399, 1499, 1599, 1699, 1799, 1899, 1999, 2099, 2199, 2299, 2399, 2499, 2599, 2699, 2799, 2899, 2999, 3099, 3199, 3299, 3399, 3499, 3599, 3699, 3799, 3899
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Maintained by
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Last modified November 25 20:09 EST 2009. Contains 167514 sequences.
AT&T Labs Research
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