A343050 Zuckerman numbers (A007602) ordered by increasing value of k/A007954(k) where A007954(k) is the product of the decimal digits of k.

1, 2, 3, 4, 5, 6, 7, 8, 9, 36, 15, 24, 384, 175, 12, 735, 128, 672, 135, 144, 1575, 11, 1296, 139968, 624, 3276, 1886976, 224, 816, 216, 432, 34992, 1197, 12768, 315, 132, 3168, 115, 6624, 8832, 2916, 1176, 1344, 3915, 739935

Offset

1,2

Comments

a(n) is the Zuckerman number corresponding to A343036(n).

Links

Table of n, a(n) for n=1..45.

Example

As a table, sequence begins:
   1 [1, 2, 3, 4, 5, 6, 7, 8, 9]
   2 [36]
   3 [15, 24]
   4 [384]
   5 [175]
   6 [12]
   7 [735]
   8 [128, 672]
   9 [135, 144, 1575]
  10 []
  11 [11]
  12 [1296, 139968]
  13 [624, 3276, 1886976]
  14 [224]
  15 []
  16 []
  17 [816]
  18 [216, 432, 34992]
  19 [1197, 12768]
  20 []
  21 [315]
  22 [132, 3168]
  23 [115, 6624, 8832]
  24 []
  25 []
  26 []
  27 [2916]
  28 [1176, 1344]
  29 [3915, 739935]
  30 []
  ... where the 1st column is A056770 and the number of terms per rows is A339757.

Crossrefs

Cf. A007954 (product of decimal digits), A007602 (Zuckerman numbers), A056770.

Cf. A288069 (Zuckerman quotients), A342593 (Zuckerman non-quotients), A343036.

Cf. A339757.

Sequence in context: A254958 A302502 A257830 * A276143 A064154 A316147

Adjacent sequences: A343047 A343048 A343049 * A343051 A343052 A343053

Keyword

nonn,base,more

Author

Michel Marcus, Apr 03 2021

Extensions

a(29)-a(45) from David A. Corneth, Apr 03 2021

Status

approved