t =		0	1	2	3	4
r = 3	s = 0	3	7	16	31	57
r = 3	s = 1	7	21	52	109	212
r = 3	s = 2	16	52	137	300	606
r = 3	s = 3	31	109	300	686	1429
r = 3	s = 4	57	212	606	1429	3058