【How-to】What does nth mean - Howto.org

2 , 5 , 8 , 11 , 14 , . . . Answer: The sequence is increasing by 3 each time so compare the sequence with the multiples of 3 (3,6,9,12,15…). You will then need to minus 1 from the multiples of 3 to give the numbers in the sequence. So the nth term is 3n – 1.