40 is carréphylic - approach of √40=2√10 ~ 6.3245553203

Subsequent approximations of √40 - the position of a fraction indicates whether it is over or under the root-value.
101234561319120139158177196215234487721 
4560
5281600267237444816588861849327379173160200539227918255297282676310055337434702247103968165755207615201865488296945631073424411773925128136062666689339480499249696600...
011111112319222528313437771147218359491063117712911405292443292737931708360374036644695490245335311103516438810396811204069136845715328451697233186162120260094216406624241539480499...

Diophantine equation:s2-40p2 = 1
d = distance to nearest square N2:+4
Smallest non-trivial s:(2*36+4)/4rational: 19actual: 19⇒ F=38
Smallest non-trivial p:2*6/4rational: 3actual: 3⇒ primus foldage=3
v-value qt-blocks:62-40*12:-4
Number of series:9

Cross multiplying the red-green pairs renders subsequent solutions of the diophantine equation.
s11972127379103968139480499...
p0311443291643886242415...

In the numerator:U(1,19)38=1/2*U(2,38)38-half the secundus of 38.
In the denominator:U(0,3)38=3*U(0,1)38-the 3-fold primus of 38.
as well as ...
In the numerator:U(0,120)38=120*U(0,1)38-the 4*3-fold primus of 38.
In the denominator:U(1,19)38=1/2*U(2,38)38-half the secundus of 38.
and ...
In the numerator:U(-6,6)38=6*U(-1,1)38-the 6-fold quartus of 38.
In the denominator:U(1,1)38=-the tertius of 38.


23567810111213141517181920212223242627282930
31323334353738394041424344454647485051525354555657
58596061626365666768697071727374757677787980828384
858687888990919293949596979899101102103104105106107108109110