These are called "Reacher numbers." http://recursed.blogspot.com/2007/09/mathematics-in-jack-rea... Base 10: https://oeis.org/A023106 Base 2: https://oeis.org/A256590
These are called "Reacher numbers." http://recursed.blogspot.com/2007/09/mathematics-in-jack-rea... Base 10: https://oeis.org/A023106 Base 2: https://oeis.org/A256590