3 ms·
From my read, it probably flows from 26 = 27 - 1 = 3^3 - 1, given the equation is looking at cubes.
by gaogao 2y ago
From my read, it probably flows from 26 = 27 - 1 = 3^3 - 1, given the equation is looking at cubes.
- deleted 2y ago[deleted]
- lupire 2y agoIt's not. (Law of Small Numbers) As the exponent k in the denominator grows, the sum is approximately k! (factorial) https://oeis.org/A000629 https://oeis.org/A000629