As Matt says, it's all in the datasheet, every pack of box of paper I've seen from Ilford has one.
The datasheet isn't easy to read in the dark though, so I transcribed the filter settings to a spreadsheet with a nice large font, printed it out and taped it to the front of my enlarger. Also, to keep life simple, I use the Ilford numbers as my starting poing for every VC paper I use.