John H. Conway, Richard K. Guy "The Book of Numbers" 1996, pp.59-62
"Mathematics and Computer Science: Coping with Finiteness" 1976
in: Campbell, Higgins "Mathematics people problems results, vol.2" 1984, p.210-211
Copyrights for the two texts (set in PNG large image format)
rest with the copyright owners:
— Springer-Verlag New York, Inc. for John H. Conway, Richard K. Guy The Book of Numbers, 1996
— The AAAS (lecture 22-2-1976) for Donald Knuth's article, published in Science 194 (17-12-1976), reprint 1984 by Wadsworth, Inc.
This page is presented as research material on the topic of Big numbers, an original inspiration.