(n, m)	Total	Strongly connected	$i=1,j=1$	$i=1,j=2,3$	Strongly input–output connected $i=1,j=2$	$i=1,j=2$	Strongly input–output connected $i=1,3,j=2$	$i=1,3,j=2$
(3,2)	15	NA	NA	NA	1	1	3	3
(3,3)	20	2	2	2	7	4	10	8
(3,4)	15	9	7	3	11	NA	12	4
(4,3)	220	NA	NA	NA	2	2	7	7
(4,4)	495	6	6	6	37	25	72	59
(4,5)	792	84	54	62	193	70	267	167
(4,6)	924	316	166	118	445	NA	518	184
(4,7)	792	492	NA	86	565	NA	603	96
(5,4)	4845	NA	NA	NA	6	6	24	24
(5,5)	15,504	24	24	24	222	162	518	432
(5,6)	38,760	720	576	600	2470	1288	4130	1110
(5,7)	77,520	6440	4052	4030	13,004	3154	17,708	1552
(5,8)	125,970	26,875	9565	10,336	40,126	NA	48,277	17,113
(5,9)	167,960	65,280	NA	15,984	82,159	NA	91,658	20,272
(5,10)	184,756	105,566	NA	9841	120,202	NA	128,003	10,689