User blog comment:Hyp cos/Fundamental Sequences in Taranovsky's Notation/@comment-5529393-20160402070829/@comment-11227630-20160403011254

I've update a code just now. It's in Mathematica. The speed improve a lot comparing with the unmodified way. e.g. it takes seconds (maybe longer, but within one minute) to calculate an FS expression with 100 C's, and it takes twice the time as k increases 15 or 25.