OFFSET
0,3
LINKS
EXAMPLE
a(2) = -2:
[0, 1;
2, 0]
a(3) = -31:
[2, 3, 0;
4, 2, 3;
1, 4, 2]
CROSSREFS
KEYWORD
sign,hard,more
AUTHOR
Stefano Spezia, Nov 22 2022
EXTENSIONS
a(5)-a(7) from Lucas A. Brown, Dec 03 2022
STATUS
approved