OFFSET
1,1
COMMENTS
An n X n X n grid is a cube with (n+1)^3 grid points. Each of the three paths has 3*n steps and they intersect only at the start and at the end. Initially, each path will start by moving along distinct coordinate axes.
CROSSREFS
KEYWORD
nonn
AUTHOR
Janaka Rodrigo, Apr 11 2023
EXTENSIONS
a(4)-a(11) from Andrew Howroyd, Apr 11 2023
STATUS
approved