// output of ./demo/comb/fractional-base-number-demo.cc:
// Description:
//% Numbers with fractional base b_num / b_den.
//% Special case b_den == 1 gives the usual base - b_num numbers.
//% Must have b_num >= 2 and 1 <= b_den < b_num.

arg 1: 7 == nd_max  [Max. number of digits]  default=7
arg 2: 3 == b_num  [Numerator of basis, must be >= 2]  default=3
arg 3: 2 == b_den  [Denominator of basis, must be < b_num]  default=2
Base = 3/2
    0 = 
    1 = 1
    2 = 2
    3 = 20
    4 = 21
    5 = 22
    6 = 210
    7 = 211
    8 = 212
    9 = 2100
   10 = 2101
   11 = 2102
   12 = 2120
   13 = 2121
   14 = 2122
   15 = 21010
   16 = 21011
   17 = 21012
   18 = 21200
   19 = 21201
   20 = 21202
   21 = 21220
   22 = 21221
   23 = 21222
   24 = 210110
   25 = 210111
   26 = 210112
   27 = 212000
   28 = 212001
   29 = 212002
   30 = 212020
   31 = 212021
   32 = 212022
   33 = 212210
   34 = 212211
   35 = 212212
   36 = 2101100
   37 = 2101101
   38 = 2101102
   39 = 2101120
   40 = 2101121
   41 = 2101122
   42 = 2120010
   43 = 2120011
   44 = 2120012
   45 = 2120200
   46 = 2120201
   47 = 2120202
   48 = 2120220
   49 = 2120221
   50 = 2120222
   51 = 2122110
   52 = 2122111
   53 = 2122112