A305462 Fixed points of A305458.

0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 12, 13, 14, 15, 18, 19, 20, 21, 24, 25, 26, 27, 30, 31, 32, 33, 36, 37, 38, 39, 60, 61, 62, 63, 66, 67, 68, 69, 90, 91, 92, 93, 96, 97, 98, 99, 120, 121, 122, 123, 126, 127, 128, 129, 150, 151, 152, 153, 156, 157, 158, 159, 180

Offset

1,3

Comments

Equivalently, these are the numbers with all digits, except possibly the leading digit, equal to zero or one in primorial base.

Links

Table of n, a(n) for n=1..63.

Index entries for sequences related to primorial base

Example

The first terms, alongside their primorial base representation, are:
  n   a(n)    pbr(a(n))
  --  ----    ---------
   1     0    (0)
   2     1    (1)
   3     2    (1, 0)
   4     3    (1, 1)
   5     4    (2, 0)
   6     5    (2, 1)
   7     6    (1, 0, 0)
   8     7    (1, 0, 1)
   9     8    (1, 1, 0)
  10     9    (1, 1, 1)
  11    12    (2, 0, 0)
  12    13    (2, 0, 1)
  13    14    (2, 1, 0)
  14    15    (2, 1, 1)
  15    18    (3, 0, 0)

Crossrefs

Cf. A305458.

Sequence in context: A055569 A351119 A277046 * A072618 A267762 A296861

Adjacent sequences: A305459 A305460 A305461 * A305463 A305464 A305465

Keyword

nonn,base

Author

Rémy Sigrist, Jun 01 2018

Status

approved