Seq.unfold explanation in f#
Hi, I am trying to create a sequence lazily by using f#. The sequence is defined as follows: The nth term of the sequence of triangle numbers is given by, tn = ½n(n+1); so the first ten triangle numbers are: 1, 3, 6, 10, 15, 21, 28, 36, 45, 55, ... Here is what I have so far but it dosn't seem to work: let tri_seq =...