What is the u'th term of -388, -756, -1124, -1492?
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What is the d'th term of 1049, 1061, 1087, 1133, 1205, 1309?
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What is the b'th term of 4, -1, -6, -11?
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What is the k'th term of 211, 420, 629, 838, 1047?
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What is the t'th term of -63, -65, -67, -69, -71?
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What is the x'th term of 263, 231, 199?
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What is the o'th term of 18, -10, -78, -204, -406, -702, -1110?
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