What is the r'th term of -366, -1416, -3166, -5616?
上一篇：
What is the d'th term of -51, -203, -457, -813, -1271, -1831, -2493?
下一篇：
What is the x'th term of -106, -73, -38, -1, 38, 79?
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What is the l'th term of 130, 258, 388, 520, 654?
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What is the c'th term of 159, 314, 465, 612?
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What is the s'th term of 69, 16, -73, -198, -359, -556?
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What is the k'th term of -5, 2, 11, 22, 35, 50?
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What is the x'th term of -8, 19, 94, 241, 484, 847, 1354?
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What is the w'th term of 14, 49, 108, 191, 298?
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What is the d'th term of -51, -203, -457, -813, -1271, -1831, -2493?
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What is the j'th term of 72, 271, 596, 1047, 1624?
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What is the s'th term of 70, 83, 88, 79, 50, -5?
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What is the x'th term of -106, -73, -38, -1, 38, 79?
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What is the o'th term of 18, 41, 76, 129, 206?
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What is the q'th term of 175, 218, 263, 310?
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