A158236 The base for the numbers in A158235.

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

Offset: 1

Author

T. D. Noe, Mar 14 2009

Keywords

• nonn

Comments

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

Examples

			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)
		

Links

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

Crossrefs

Cf. A158235, A158237.

Programs

Mathematica

(* See A158235. *)