Donald E. Knuth, Julian L. Hook. Sums and Powers, Set Counting, and Coefficient Tracking: 11274 [2007, 165]. The American Mathematical Monthly, 116(6):548-549, 2009. [doi]
@article{KnuthH09,
title = {Sums and Powers, Set Counting, and Coefficient Tracking: 11274 [2007, 165]},
author = {Donald E. Knuth and Julian L. Hook},
year = {2009},
url = {http://www.jstor.org/stable/40391156},
researchr = {https://researchr.org/publication/KnuthH09},
cites = {0},
citedby = {0},
journal = {The American Mathematical Monthly},
volume = {116},
number = {6},
pages = {548-549},
}