What is the d'th term of -15, 20, 53, 84, 113, 140, 165?
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What is the w'th term of 59, 39, 11, -25, -69?
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What is the z'th term of -31, -136, -311, -556, -871?
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What is the b'th term of -23, -83, -185, -329?
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What is the c'th term of 4087, 8173, 12259, 16345?
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What is the d'th term of 60, 68, 76, 84, 92?
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What is the j'th term of 131, 264, 397, 530, 663?
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What is the l'th term of -32, -98, -164?
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What is the u'th term of 93, 200, 317, 444, 581?
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What is the k'th term of -71, -69, -67, -65, -63, -61?
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What is the a'th term of 0, -6, -16, -30?
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What is the x'th term of -1, 23, 91, 221, 431, 739, 1163?
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What is the f'th term of 26, 58, 94, 134, 178?