You call them 'sequence of events'.
coordinate adjective
A coordinate adjective
A sequence where a particular number is added to or subtracted from any term of the sequence to obtain the next term in the sequence. It is often call arithmetic progression, and therefore often written as A.P. An example would be: 2, 4, 6, 8, 10, ... In this sequence 2 is added to each term to obtain the next term.
When n = 1, sequence term (call it y) = 7. Each unit increase in n results in an increase of 6 in y, so when n = 5, y = 31. Sequence is therefore 7, 13, 19, 25, 31 etc.
You call them 'sequence of events'.
Text structures
Plot
You call it a palindromic sentence. If it isn't a sentence it is a palindromic phrase or palindromic sequence.
plot
From what I know, it is just called "next term in sequence" For a unknown term, just call it the "nth term".
Title sequence
coordinate adjective
A coordinate adjective
The name will depend upon the martial art. In karate it is called a kata. Other arts use the word form or poomse for a sequence.
happy prime
Editing.