@techreport{KoutschanThanatipanonda17,
 author = {Christoph Koutschan and Thotsaporn Thanatipanonda},
 title = {A curious family of binomial determinants that count rhombus tilings of a holey hexagon},
 institution = {RICAM Reports Series},
 year = {2017},
 number = {2017-30},
 url = {http://www.koutschan.de/data/det2/},
 note = {Submitted for publication (preprint on arXiv:1709.02616)},
}