Prostredný znak tejto postupnosti má hodnotu 3, t.j. mod(x) = 3.
Translations from Slovak:
1) The middle character of this sequence is 3, i.e., Mod (x) = 3.
2) The Middle character of this sequence has a value of 3, i.e. mod (x) = 3.
I do not understand this question, would anyone else like to venture a guess?