We call a1 the first term, a2 the second term, and an the “general term” or the nth term. If a sequence is arithmetic, the general term an is determined using the com...We call a1 the first term, a2 the second term, and an the “general term” or the nth term. If a sequence is arithmetic, the general term an is determined using the common difference, d, of the sequence. If we use a0= first term (starting the sequence at n=0), then the geometric sequence would be notated: a0,a0r,a0r2,a0r3, … and the general term is an=a0rn.