OFFSET
0,3
EXAMPLE
a(2) = -4:
[0, 2;
2, 1]
a(3) = -110:
[1, 3, 5;
3, 4, 0;
5, 0, 2]
CROSSREFS
KEYWORD
sign,hard,more
AUTHOR
Stefano Spezia, Dec 02 2022
STATUS
approved