Thursday 20 August 2015

mathematics - On 8x8 board, a knight is on the second square of the last row. Only moving upwards, how many routes to the top?


In chess, a knight moves in L-shaped jumps consisting of two square along a row or column plus one square at a right angle. It can only move upwards. How many routes can it take to any square on the top row of the board?





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