The integer sum jump series for x[x]
44577
Finding a formula to sum natural numbers up to $n$
144877
Taylor series representation as an infinite sum
108694
Efficient computation of $\sum_{i=1}^{i=\left \lfloor {\sqrt{N}} \right \rfloor}\left \lfloor \frac{N}{i^{2}} \right \rfloor$
91020
Applications of Gauss sums
64720
Expected value of sums
94871
Sum of an unorthodox infinite series
70041
Sum with parameter convergence
69439
Infinite Sum of algebraic expression
44649
Summing a series having a geometric component
155951
Harmonic series sum approximation
86194
Infinite series with the binomial coefficient
8705
Evaluation of $\sum_{x=0}^\infty e^{-x^2}$
1449
Floor function properties: $[2x] = [x] + [ x + \frac12 ]$ and $[nx] = \sum_{k = 0}^{n - 1} [ x + \frac{k}{n} ] $
131080
Geometric representation of the sum of a Geometric Series
68481
Finite Summation of Fractional Factorial Series
51671
lower bounding logarithm of sums
126161
Interesting property of finite integer sequence with sum 1