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What is the next number in this series?

Look at the series (6, 24, 60, 120, 210, 336, 504, ?), determine the pattern, and find the value of the next number!

Correct answers: 52

The first user who solved this task is Djordje Timotijevic.

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I'm so bored i wish someone would kidnap me so i could go on an adventure.

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Railroad safety

In 1870, Thomas S. Hall of Stamford, Conn., received a patent for the first automatic electric block railroad signal system in the U.S. (No. 103,875). When a train entered a block of track, Hall's electromagnetic device automatically set a signal when the locomotive struck a lever fastened to the rail. The signal was set to danger until the train cleared the block. After Hall invented the device in 1867, it was tried out on the New York and Harlem Railroad.

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