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0, 2, 4, 6, 5, 10, 15, 20, 10, 15, 20, 25, 15, 20, 25, 30, 17, 25, 42, 59, 25, 42, 59, 76, 42, 59, 67, 84, 59, 76, 84, 92, 34, 42, 50, 67, 42, 59, 67, 84, 50, 67, 84, 101, 67, 84, 101, 109, 51, 59, 67, 75, 59, 76, 84, 92, 67, 84, 101, 109, 75, 92, 109, 126, 65, 85, 150, 215
(list;
graph;
refs;
listen;
history;
text;
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 A055948.
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LINKS
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PROG
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(PARI) a(n) = my(nd=digits(n, 4)); fromdigits(vecsort(nd), 4) + fromdigits(vecsort(nd, , 4), 4); \\ Michel Marcus, Sep 28 2018
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CROSSREFS
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KEYWORD
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nonn,base
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AUTHOR
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STATUS
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approved
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