What is the a'th term of 21, 13, -1, -21, -47?
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What is the f'th term of 199, 323, 447?
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What is the b'th term of -21, -44, -83, -138?
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What is the s'th term of 8, -7, -24, -43, -64, -87?
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What is the n'th term of 0, 0, 4, 12, 24?
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What is the b'th term of -8, -29, -58, -89, -116, -133, -134?
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What is the x'th term of -27, -58, -139, -294, -547, -922, -1443, -2134?
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What is the x'th term of 829, 828, 827, 826?
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What is the y'th term of -106, -204, -302?
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What is the d'th term of 81, 42, -1, -48, -99?
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What is the p'th term of 944, 901, 846, 773, 676, 549?
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What is the g'th term of 21, 59, 109, 171, 245, 331, 429?
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What is the m'th term of 23, -5, -81, -205, -377, -597?
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