Directions: In the following question, a number series is given, in which one number is missing. Find out the missing number. 4956, 2476, 1236, 616, 306, ?

The pattern halves the previous number and subtracts an increasing odd number, where the differences subtracted are 2, 4, 4, 4, and 4 in a shifted manner, but a closer look reveals the logic is to halve the number and subtract 2 consistently after the first step. The correct mathematical pattern divides by 2 and subtracts 2 in reverse, or rather takes the previous number, divides by 2, and subtracts 1 to get the next term. Applying this to 306 gives 306 / 2, which is 153, and subtracting 2 gives 151.

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