OBIBDs with v = 20

Some of the searches were either restricted from the start or curtailed, and not all found are given here.

1-rotational BIBDs with v=20
v	b	r	k	Found	Comments	Where
20	38	19	10	32000+	Restricted	here
20	76	19	5	0	No search
20	95	19	4	0	No search
20	190	19	2	0+	Stopped