What is the f'th term of 5, 18, 51, 110, 201, 330, 503, 726?
-
What is the m'th term of 16, 51, 76, 85, 72, 31, -44?
-
What is the c'th term of 154, 316, 480, 646, 814, 984, 1156?
-
What is the d'th term of 94, -23, -142, -263, -386, -511?
-
What is the q'th term of -781, -1562, -2343, -3124?
-
What is the q'th term of 10304, 10305, 10306?
-
What is the w'th term of -4, -13, -32, -67, -124?
一个美术生