Evaluate the sum
k=0∑∞(3⋅4k+2ln(4k+2)−4k+3ln(4k+3)−4k+4ln(4k+4)−4k+5ln(4k+5))=3⋅2ln2−3ln3−4ln4−5ln5+3⋅6ln6−7ln7−8ln8−9ln9+3⋅10ln10−⋯.
(As usual, lnx denotes the natural logarithm of x.)
Curated text Kedlaya Putnam archive. Quoted with source.
Solutions
Human solution Solution 1 by Kiran Kedlaya and Lenny Ng
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