A319723 Write n in 6-ary, sort digits into decreasing order.

0, 1, 2, 3, 4, 5, 6, 7, 13, 19, 25, 31, 12, 13, 14, 20, 26, 32, 18, 19, 20, 21, 27, 33, 24, 25, 26, 27, 28, 34, 30, 31, 32, 33, 34, 35, 36, 42, 78, 114, 150, 186, 42, 43, 79, 115, 151, 187, 78, 79, 85, 121, 157, 193, 114, 115, 121, 127, 163, 199, 150, 151, 157, 163

Offset

0,3

Links

Seiichi Manyama, Table of n, a(n) for n = 0..7775

Prog

(Ruby)
def A(k, n)
  (0..n).map{|i| i.to_s(k).split('').sort.reverse.join.to_i(k)}
end
p A(6, 100)
(PARI) a(n) = fromdigits(vecsort(digits(n, 6), , 4), 6); \\ Michel Marcus, Sep 26 2018

Crossrefs

b-ary: A073138 (b=2), A319651 (b=3), A319720 (b=4), A319722 (b=5), this sequence (b=6), A319724 (b=7), A319725 (b=8), A319726 (b=9), A004186 (b=10).

Cf. A165051, A319654.

Sequence in context: A265124 A032990 A060810 * A271377 A363331 A363334

Adjacent sequences: A319720 A319721 A319722 * A319724 A319725 A319726

Keyword

nonn,base

Author

Seiichi Manyama, Sep 26 2018

Status

approved