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A158236 The base for the numbers in A158235. 3
3, 7, 22, 7, 18, 22, 30, 68, 68, 313, 313, 41, 313, 146, 653, 313, 499, 313, 710, 313, 653, 313, 423, 313, 292, 499, 313, 653, 313, 710, 439, 499, 653, 699, 99, 4366, 423, 653, 521, 581, 499, 710, 653, 653, 710, 4701, 653, 699, 4366, 710, 653, 4611, 787, 2272 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

The prime 313 appears 10 times. Which numbers are allowed as bases?

LINKS

Michael De Vlieger and Michel Marcus, Table of n, a(n) for n = 1..100 (first 75 terms from Michel Marcus).

EXAMPLE

From Michael De Vlieger, Sep 08 2017: (Start)

Bases that appear, for numbers 2 <= m <= 101000 in A158235, i.e., for 1 <= n <= 100. f = frequency of b in a(n) for m in the range shown above:

Base b   f  Prime factors of b

------------------------------

     3   1  3

     7   2  7

    18   1  2, 3, 3

    22   2  2, 11

    30   1  2, 3, 5

    41   1  41

    68   2  2, 2, 17

    99   1  3, 3, 11

   146   1  2, 73

   239   2  239

   292   1  2, 2, 73

   313  10  313

   423   2  3, 3, 47

   439   1  439

   499   4  499

   521   1  521

   581   1  7, 83

   653   9  653

   699   2  3, 233

   710   6  2, 5, 71

   787   1  787

  1047   1  3, 349

  1353   1  3, 11, 41

  1425   1  3, 5, 5, 19

  1660   1  2, 2, 5, 83

  1714   1  2, 857

  2060   1  2, 2, 5, 103

  2174   1  2, 1087

  2198   1  2, 7, 157

  2272   5  2, 2, 2, 2, 2, 71

  2819   4  2819

  3019   1  3019

  4366  13  2, 37, 59

  4526   2  2, 31, 73

  4611   6  3, 29, 53

  4701   8  3, 1567

  6205   1  5, 17, 73

(End)

MATHEMATICA

See A158235.

CROSSREFS

Cf. A158235, A158237.

Sequence in context: A191294 A177820 A174230 * A174942 A128599 A182174

Adjacent sequences:  A158233 A158234 A158235 * A158237 A158238 A158239

KEYWORD

nonn

AUTHOR

T. D. Noe, Mar 14 2009

STATUS

approved

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Last modified April 20 01:36 EDT 2021. Contains 343117 sequences. (Running on oeis4.)