What is the i'th term of 11, 52, 121, 218, 343, 496?
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What is the a'th term of -70, -516, -1720, -4060, -7914, -13660?
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What is the r'th term of -1633, -1636, -1641, -1648, -1657, -1668?
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What is the a'th term of -232, -416, -614, -832, -1076, -1352, -1666, -2024?
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What is the x'th term of 889, 1776, 2663?
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What is the p'th term of 3, -24, -97, -240, -477?
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What is the k'th term of 71, 97, 135, 191, 271, 381, 527?
一个美术生