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A044419
Numbers n such that string 8,7 occurs in the base 10 representation of n but not of n-1.
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87, 187, 287, 387, 487, 587, 687, 787, 870, 887, 987, 1087, 1187, 1287, 1387, 1487, 1587, 1687, 1787, 1870, 1887, 1987, 2087, 2187, 2287, 2387, 2487, 2587, 2687, 2787, 2870, 2887, 2987, 3087, 3187, 3287, 3387, 3487, 3587
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Maintained by
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Last modified December 15 00:47 EST 2009. Contains 170825 sequences.
AT&T Labs Research
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