Let \( b_{1} b_{2} b_{3} b_{4} \) be a 4-element permutation with bi \( \in\{1,2,3 \), ...., 100... VIDEO
Let \( b_{1} b_{2} b_{3} b_{4} \) be a 4-element permutation with bi \( \in\{1,2,3 \), ...., 100\( \} \) for \( 1 \leq i \leq 4 \) and \( b_{i}, \neq b_{j} \) for \( i \neq j \) such that either \( b_{1}, b_{2}, b_{3} \) are consecutive integers or \( b_{2}, b_{3}, b_{4} \) are consecutive integers. Then the number of such permutations \( b_{1} b_{2} b_{3} b_{4} \) is equal tohttps://bit.ly/YTAI_PWAP https://www.pw.live
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