What is the a'th term of -32, -18, 6, 46, 108, 198, 322?
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What is the z'th term of 141, 243, 345?
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What is the d'th term of -68, -305, -688, -1211, -1868?
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What is the i'th term of 15, 24, 39, 60, 87, 120, 159?
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What is the k'th term of -2719, -5438, -8157?
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What is the a'th term of -2, -11, -20, -29?
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What is the f'th term of 150, 302, 454, 606?
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What is the a'th term of 29, 33, 37, 41?
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What is the u'th term of 18, 45, 94, 177, 306, 493, 750?
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What is the p'th term of 111, 75, 25, -33, -93, -149, -195, -225?
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What is the w'th term of 1004, 998, 992, 986, 980, 974?
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What is the j'th term of -100, -116, -132, -148, -164?
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What is the c'th term of -173, -187, -207, -233?
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