Recent content by eliudthorn

  1. E

    Graduate Interesting but useless equation?

    Thank you mathman. I think the latex is fixed.
  2. E

    Graduate Interesting but useless equation?

    Can anyone tell me what this is? My son created it as an entertaining exercise -- he says it transposes positive integers. Is he right? \left(n\right)=\sum_{k=0}^{[log_b\left(n\right)]}\left(b^k\left(\left\lfloor \frac{n}{b^{\left\lceil log_b\left(n\right)\right\rceil}-k-1}\right\rfloor \%b...