|
| |
|
|
A054771
|
|
Number of nonnegative integer 3 X 3 matrices with sum of elements equal to n, up to rotational symmetry.
|
|
2
|
|
|
|
1, 3, 13, 43, 129, 327, 761, 1619, 3238, 6098, 10974, 18930, 31550, 50930, 80030, 122666, 183999, 270525, 390755, 555205, 777287, 1073297, 1463583, 1972533, 2630044, 3471508, 4539660, 5884564, 7565868, 9652788, 12226860, 15381924
(list;
graph;
refs;
listen;
history;
text;
internal format)
|
| |
| |
|
|
