What is the r'th term of 5, 15, 39, 83, 153?
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What is the b'th term of 7, 1, -1, 7, 31, 77?
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What is the q'th term of 94, 377, 848, 1507, 2354, 3389, 4612?
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What is the b'th term of 33, 88, 167, 270?
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What is the x'th term of 6251, 6249, 6247, 6245, 6243, 6241?
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What is the u'th term of 68, 99, 96, 41, -84?
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What is the r'th term of 133, 530, 1189, 2110, 3293, 4738?
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What is the c'th term of -1301, -1280, -1259, -1238?
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What is the d'th term of 90, 184, 278, 372, 466?
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What is the m'th term of -186, -403, -634, -885, -1162, -1471?
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What is the k'th term of 386, 377, 368, 359, 350, 341?
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What is the i'th term of 194, 205, 216?
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What is the r'th term of -103, -100, -97, -94, -91, -88?
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