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A090224
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Number of possible positions for n men on a standard 7 X 6 board of Connect-Four.
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1, 7, 56, 252, 1260, 4620, 18480, 59815, 206780, 605934, 1869840, 5038572, 14164920, 35459424, 91871208, 214864650, 516936420, 1134183050, 2546423880, 5252058812, 11031780760, 21406686756, 42121344720, 76871042612
(list; graph; refs; listen; history; internal format)
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