OFFSET
0,3
EXAMPLE
The a(2) = 2 matrices are:
[2 1 0] [1 1 1]
[0 1 2] [1 1 1]
.
The a(3) = 5 matrices are:
[3 0 0] [3 0 0] [2 1 0] [2 1 0] [1 1 1]
[0 3 0] [0 2 1] [1 1 1] [1 0 2] [1 1 1]
[0 0 3] [0 1 2] [0 1 2] [0 2 1] [1 1 1]
CROSSREFS
KEYWORD
nonn
AUTHOR
Andrew Howroyd, Oct 14 2024
STATUS
approved