c \  a	1	2	3	4	5	6
0	1	1	1	1	1	1
1	3	4	7	12	22	40
2	5	9	26	68	210	625
3	7	16	70	260	1265	5728
4	9	25	155	777	5642	36,876
5	11	36	301	1960	20,328	184,224
6	13	49	532	4368	62,424	759,708
7	15	64	876	8856	169,290	2,695,200
8	17	81	1365	16,665	415,635	8,468,889
9	19	100	2035	29,524	940,654	24,078,184
10	21	121	2926	49,764	1,989,130	62,949,289