What is the i'th term of 15, 60, 141, 264, 435, 660, 945?
上一篇:
What is the j'th term of 129, 180, 243, 324, 429, 564, 735?
下一篇:
What is the b'th term of -2266, -2264, -2260, -2254, -2246?
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What is the i'th term of 252, 255, 258, 261, 264?
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What is the i'th term of -1102, -1095, -1088, -1081, -1074?
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What is the o'th term of 410, 819, 1228?
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What is the i'th term of -4773, -4770, -4767, -4764?
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What is the h'th term of -21, -32, -43, -54, -65, -76?
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What is the r'th term of 15, 41, 67, 93, 119?
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What is the j'th term of 129, 180, 243, 324, 429, 564, 735?
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What is the l'th term of 6, -6, -24, -48, -78, -114?
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What is the n'th term of 109, 98, 79, 52, 17?
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What is the b'th term of -2266, -2264, -2260, -2254, -2246?
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What is the i'th term of 528, 1059, 1590, 2121?
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What is the x'th term of -5, -8, -37, -104, -221, -400, -653, -992?