Hello Anons!
Just found something very interesting.
In (-f,1) and (e,1) columns the difference between a values increases by 1,3,5,7, etc moving up and down from the element(s) containing the (-f na transform) and (e na transform). Here's some data from c145.
(-f a values) (e a values) (Delta)
20 25 5
38 41 3
60 61 1 (na transform record)
86 85 1
116 113 3
150 145 5
188 181 7