Generated by SassMeister.com.

SassMeister-input.scss

// ----
// Sass (v3.4.3)
// Compass (v1.0.1)
// ----

$notes:47;
//just cuz sass doesnt have enough math
@function expo($base,$exponent){
  $value:$base;
  @for $i from 1 through $exponent {
    $value:$value*$base;
  }
  @return $value;
}


//the function that can give me notes in HZ
@function octarray($n){
  $myarray:1;
  //that loop below
  
  @for $i from 1 through $n{
    $myarray:append($myarray,expo(105958,$i)/expo(100000,$i));
    //must use large number and deeevid because sass is stupid in maths and needs integers
  }
  $lastone: length($myarray);
  //variable that knows what n i stopped at, even though it could be equal to $n, should it? whatever this works
  @return nth($myarray,$lastone);
  //the last value in the array, because the function will be used this way gee
}


//this is not how it will actually work, but is an example
#mydiv{
  width:octarray(12);
}


//this is to make sure the loop itself gives me what i want
@for $i from 1 through $notes{
  .cols-#{$i}{
    width: 1* expo(105958,$i)/expo(100000,$i) +em;
  }
}

//fuck the police

SassMeister-output.css

#mydiv {
  width: 2.12197;
}

.cols-1 {
  width: 1.12271em;
}

.cols-2 {
  width: 1.1896em;
}

.cols-3 {
  width: 1.26048em;
}

.cols-4 {
  width: 1.33558em;
}

.cols-5 {
  width: 1.41515em;
}

.cols-6 {
  width: 1.49946em;
}

.cols-7 {
  width: 1.5888em;
}

.cols-8 {
  width: 1.68346em;
}

.cols-9 {
  width: 1.78376em;
}

.cols-10 {
  width: 1.89004em;
}

.cols-11 {
  width: 2.00265em;
}

.cols-12 {
  width: 2.12197em;
}

.cols-13 {
  width: 2.24839em;
}

.cols-14 {
  width: 2.38235em;
}

.cols-15 {
  width: 2.52429em;
}

.cols-16 {
  width: 2.67469em;
}

.cols-17 {
  width: 2.83405em;
}

.cols-18 {
  width: 3.0029em;
}

.cols-19 {
  width: 3.18182em;
}

.cols-20 {
  width: 3.37139em;
}

.cols-21 {
  width: 3.57226em;
}

.cols-22 {
  width: 3.78509em;
}

.cols-23 {
  width: 4.01061em;
}

.cols-24 {
  width: 4.24956em;
}

.cols-25 {
  width: 4.50275em;
}

.cols-26 {
  width: 4.77102em;
}

.cols-27 {
  width: 5.05528em;
}

.cols-28 {
  width: 5.35647em;
}

.cols-29 {
  width: 5.67561em;
}

.cols-30 {
  width: 6.01376em;
}

.cols-31 {
  width: 6.37206em;
}

.cols-32 {
  width: 6.75171em;
}

.cols-33 {
  width: 7.15398em;
}

.cols-34 {
  width: 7.58021em;
}

.cols-35 {
  width: 8.03184em;
}

.cols-36 {
  width: 8.51038em;
}

.cols-37 {
  width: 9.01743em;
}

.cols-38 {
  width: 9.55468em;
}

.cols-39 {
  width: 10.12395em;
}

.cols-40 {
  width: 10.72714em;
}

.cols-41 {
  width: 11.36626em;
}

.cols-42 {
  width: 12.04346em;
}

.cols-43 {
  width: 12.76101em;
}

.cols-44 {
  width: 13.52131em;
}

.cols-45 {
  width: 14.32691em;
}

.cols-46 {
  width: 15.18051em;
}

.cols-47 {
  width: 16.08496em;
}