There are 17 odd numbers between 42 and 76.
(76 − 42) ÷ 2 = 17
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I don't think that there is an answer.
41 is the only odd number in this list
42
Twenty of them
9801 * The sum of the first two odd numbers (1+3) is 4, or 22 * The sum of the first three odd numbers (1+3+5) is 9, or 32 * The sum of the first four odd numbers (1+3+5+7) is 16, or 42 * ...and so on So the sum of the first 99 odd numbers, using the pattern above, would be 992 or 9801.