+6251 a2n−1×b3×c1−nan−3×b2−n×c2−2n=a(2n−1)−(n−3))×b3−(2−n)×c(1−n)−(2−2n)=an+2×bn+1×cn−1
+65 Ok. 'e' is Euler's Constant, or approximately 2.718281828459045235360...
Euler's constant can be defined by terms of an infinite sum in the form of e=∑n=01n!
