Premica

R = 6

R = 6 + 1 = 7

R = 7 + 2 = 9

R=9+2=11

R=11+1=12

R=12+1=13

$ n=5, \lambda_1 = 3, \lambda_2 = 3,\mu=2$

$R = 1 + n+ \binom{n}{2} - \binom{\lambda_1 - 1}{2} - \binom{\lambda_2 - 1}{2}- \binom{\mu
}{2}\
R= 1 + 5 + \binom{5}{2} - \binom{2}{2} - \binom{2}{2} -\binom{2}{2}\
R=1 + 5 +10 -1-1-1=13$

A = (-1.14, -1.38)
B = (6.569260769152975, 1.94)
a = Line(A, B)
C = (6.06, -1.34)
b = Line(C, a)
D = (11.729816053735941, -2.8120595354601434)
c = Line(B, D)
E = Point(b)
d = Line(B, E)
F = (1.18, -1.96)
e = Line(E, F)
S_1 = Intersect(a, e)
M_1 = Intersect(b, d)
M_2 = Intersect(a, c)
S_2 = Intersect(b, c)
S_3 = Intersect(c, e)
f = -5 (slider from -5 to 20, step 0.1)
g: x = f
L = (51.33865174600478, 14.59737511013751)