A013978 Molien series of 4-dimensional representation of u.g.g.r. #8.

1, 0, 10, 20, 40, 75, 130, 179, 283, 383, 513, 678, 883, 1078, 1372, 1658, 1994, 2385, 2836, 3273, 3853, 4421, 5059, 5772, 6565, 7340, 8302, 9248, 10284, 11415, 12646, 13855, 15295, 16715, 18245, 19890