Problem 2581. Sum of series VII

What is the sum of the following sequence:

 Σ(km^k)/(k+m)! for k=1...n

for different n and m?

Solve

Last Solution submitted on Jan 11, 2026

Show 3 older comments

goc3 on 13 Jun 2017

Additional test cases have been added.

GeeTwo on 4 Jul 2022

Test case 2 (and likely others) appear broken. For n-1, m=2, this should be:
1*2^1/(1+2) = 2/3, not 1/3.

Dyuman Joshi on 6 Jul 2022

@GeeTwo, the test suite is perfectly fine, as indicated by the reference solutions and the submitted solution.

Sanjeev on 11 Jul 2022

Loved the Computer Science concept to make the computation more efficient!!

Nguyễn Tuấn Kiệt on 24 Sep 2023

very good

Aditya Majumdar on 4 Aug 2024

Interesting question.

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