OFFSET
0,3
EXAMPLE
Starting at zero the only point visited is zero, starting at one the points are 1 and 0, and starting at two the points visited are 2,1,-1,-4, and 0. In all three cases, no position is revisited, thus 0,1, and 2 are all included on the list.
CROSSREFS
KEYWORD
nonn
AUTHOR
David Nacin, Mar 11 2019
STATUS
approved