OFFSET
1,10
COMMENTS
The only operations allowed are addition, subtraction, multiplication, division, exponentiation, and parenthesizing. Concatenation is not allowed.
LINKS
Valentin Miakinen, Python program
EXAMPLE
For n = 10, a solution for a(10)=6 is (1+1+1)^(1+1)+1.
For n = 27, a solution for a(27)=4 is 2+(2-7)^2.
PROG
(Python) # See Miakinen link.
CROSSREFS
KEYWORD
nonn,base
AUTHOR
Oskar Macholl, Valentin Miakinen, and Walter Robinson, May 02 2023
EXTENSIONS
Edited by N. J. A. Sloane, Oct 16 2023.
STATUS
approved