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A043142
Numbers n such that 2 and 3 occur juxtaposed in the base 7 representation of n but not of n-1.
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17, 23, 66, 72, 115, 119, 161, 170, 213, 219, 262, 268, 311, 317, 360, 366, 409, 415, 458, 462, 504, 513, 556, 562, 605, 611, 654, 660, 703, 709, 752, 758, 801, 805, 833, 899, 905, 948, 954, 997, 1003, 1046, 1052, 1095, 1101
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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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