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Given any number, it is possible to find a polynomial of order 7 that will fit the above values followed by the selcted number.

You can fit the 6th degree polynomial

Un = (88n6 - 1992n5 + 17515n4 - 75750n3 + 168157n2 - 179298n + 71640)/180 for n = 1, 2, 3, ...

Using this polynomial as the position-to-value rule, the next number is 842.

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10y ago
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Q: What number comes next in the sequence 2 10 4 8 40 16 6?
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