If one ever forgets to light {and not for the reasons that you “adorable” state that happened in your circumstances} and does have to light an extra candle, this only continues until the following Yom Kippur inclusive.
Not according to the Shulchan Aruch (263-1).
http://hebrewbooks.org/pdfpager.aspx?req=14171&st=&pgnum=72&hilite=