Solve 3*f - z = 7*f - 1, 2 = 3*f + 2*z for f.
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What is the d'th term of -23, -69, -141, -239?
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What is the l'th term of 16, 22, 42, 82, 148, 246, 382, 562?
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What is the m'th term of -129, -143, -155, -165, -173, -179, -183?
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What is the c'th term of 1077, 1072, 1067, 1062, 1057, 1052?
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What is the n'th term of 22, 60, 118, 190, 270?
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What is the q'th term of -10, -20, -34, -52, -74, -100, -130?
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