Download: CD for the book, PDFs, Mathematica Notebooks and CDFs and MP3s:
Enclosed CD of the book (version 50, September 2019, zip-archive)
Free e-book version, (version 51, december 2020, pdf)
(As of december 2020):
Supplement for the book: (pdf)
Mathematica programs for registered users (Mathematica notebooks)
(in preparation)
Mathematica CDFs (interactive Mathematica documents)
gadget for the Ulam-Spiral
MP3s belonging to the book:
Prime number song (length: 46 seconds)