A319652 Write n in 4-ary, sort digits into increasing order.

0, 1, 2, 3, 1, 5, 6, 7, 2, 6, 10, 11, 3, 7, 11, 15, 1, 5, 6, 7, 5, 21, 22, 23, 6, 22, 26, 27, 7, 23, 27, 31, 2, 6, 10, 11, 6, 22, 26, 27, 10, 26, 42, 43, 11, 27, 43, 47, 3, 7, 11, 15, 7, 23, 27, 31, 11, 27, 43, 47, 15, 31, 47, 63, 1, 5, 6, 7, 5, 21, 22, 23, 6, 22, 26, 27

Offset

0,3

Links

Seiichi Manyama, Table of n, a(n) for n = 0..4095

Prog

(Ruby)
def A(k, n)
  (0..n).map{|i| i.to_s(k).split('').sort.join.to_i(k)}
end
p A(4, 100)
(PARI) a(n) = fromdigits(vecsort(digits(n, 4)), 4); \\ Michel Marcus, Sep 25 2018

Crossrefs

b-ary: A038573 (b=2), A038574 (b=3), this sequence (b=4), A319653 (b=5), A319654 (b=6), A319655 (b=7), A319656 (b=8), A319657 (b=9), A004185 (b=10).

Cf. A165012.

Sequence in context: A007913 A366244 A083346 * A327938 A065883 A214392

Adjacent sequences: A319649 A319650 A319651 * A319653 A319654 A319655

Keyword

nonn,base

Author

Seiichi Manyama, Sep 25 2018

Status

approved