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A319655
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Write n in 7-ary, sort digits into increasing order.
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9
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0, 1, 2, 3, 4, 5, 6, 1, 8, 9, 10, 11, 12, 13, 2, 9, 16, 17, 18, 19, 20, 3, 10, 17, 24, 25, 26, 27, 4, 11, 18, 25, 32, 33, 34, 5, 12, 19, 26, 33, 40, 41, 6, 13, 20, 27, 34, 41, 48, 1, 8, 9, 10, 11, 12, 13, 8, 57, 58, 59, 60, 61, 62, 9, 58, 65, 66, 67, 68, 69, 10, 59, 66, 73
(list;
graph;
refs;
listen;
history;
text;
internal format)
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OFFSET
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0,3
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LINKS
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PROG
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(Ruby)
def A(k, n)
(0..n).map{|i| i.to_s(k).split('').sort.join.to_i(k)}
end
p A(7, 100)
(PARI) a(n) = fromdigits(vecsort(digits(n, 7)), 7); \\ Michel Marcus, Sep 25 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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