Solve 5*r + 14 = 2*d, 6*r = -d + 7*r + 1 for d.
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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?