What is the m'th term of -33, -33, -43, -69, -117, -193?
-
What is the f'th term of 44, 114, 230, 392, 600?
-
What is the p'th term of 10, -20, -106, -278, -566, -1000?
-
What is the l'th term of 150, 147, 134, 105, 54, -25?
-
What is the b'th term of 22, 47, 74, 103, 134?
-
What is the z'th term of -37, -101, -215, -403, -689, -1097, -1651, -2375?
-
What is the i'th term of 217, 431, 645, 859?
一个美术生