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A044373
Numbers n such that string 4,1 occurs in the base 10 representation of n but not of n-1.
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41, 141, 241, 341, 410, 441, 541, 641, 741, 841, 941, 1041, 1141, 1241, 1341, 1410, 1441, 1541, 1641, 1741, 1841, 1941, 2041, 2141, 2241, 2341, 2410, 2441, 2541, 2641, 2741, 2841, 2941, 3041, 3141, 3241, 3341, 3410, 3441
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Maintained by
N. J. A. Sloane
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njas@research.att.com
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Last modified December 8 08:31 EST 2009. Contains 170430 sequences.
AT&T Labs Research
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