t =		0	1	2	3	4
r = 4	s = 0	5	12	29	57	109
r = 4	s = 1	12	38	98	212	424
r = 4	s = 2	29	98	269	606	1429
r = 4	s = 3	57	212	606	1429	3058
r = 4	s = 4	109	424	1429	3058	6721