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A161322
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a(n)=A000043(n) written in base 4.
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0
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2, 3, 11, 13, 31, 101, 103, 133, 331, 1121, 1223, 1333, 20021, 21133, 103333, 202123, 203221, 302101, 1002131, 1011013, 2113121, 2123111, 2233031, 10313201, 11103011, 11222221, 22313101, 111003203, 122332213, 200033101, 310300123
(list; graph; refs; listen; history; internal format)
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