6
6
((4/((8*n)+1))-(2/((8*n)+4))-(1/((8*n)+5))-(1/((8*n)+6)))/(16^n)
9
9
pi ; The digits should be the same.
10
10
x^n/n! ; Sum this n = 0 to infinity to compute (e^x).
11
11
replace x with 1 ; Sum this n = 0 to infinity to compute e:
13
13
e ; The digits should be the same.