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0, 2, 3, 6, 5, 9, 9, 14, 9, 15, 15, 21, 15, 21, 21, 30, 17, 27, 27, 35, 27, 35, 35, 45, 27, 35, 35, 45, 35, 45, 45, 62, 33, 51, 51, 63, 51, 63, 63, 75, 51, 63, 63, 75, 63, 75, 75, 93, 51, 63, 63, 75, 63, 75, 75, 93, 63, 75, 75, 93, 75, 93, 93, 126, 65, 99, 99, 119
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internal format)
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OFFSET
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0,2
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COMMENTS
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This sequence is different from A055944. For example, A055944(5) = 10 and a(5) = 9.
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LINKS
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PROG
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(PARI) a(n) = my(dn=binary(n)); fromdigits(vecsort(dn), 2) + fromdigits(vecsort(dn, , 4), 2); \\ Michel Marcus, Sep 28 2018
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CROSSREFS
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KEYWORD
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AUTHOR
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STATUS
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approved
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